On 05/20/2020 05:50 PM, Will Deacon wrote:
> Hi Anshuman,
>
> On Wed, May 20, 2020 at 06:52:54AM +0530, Anshuman Khandual wrote:
>> There is no way to proceed when requested register could not be searched in
>> arm64_ftr_reg[]. Requesting for a non present register would b
On 05/20/2020 11:09 PM, Will Deacon wrote:
> On Wed, May 20, 2020 at 04:47:11PM +0100, Catalin Marinas wrote:
>> On Wed, May 20, 2020 at 01:20:13PM +0100, Will Deacon wrote:
>>> On Wed, May 20, 2020 at 06:52:54AM +0530, Anshuman Khandual wrote:
>>>> There is no
On 05/20/2020 12:45 PM, HORIGUCHI NAOYA(堀口 直也) wrote:
> On Mon, May 18, 2020 at 12:12:36PM +0530, Anshuman Khandual wrote:
>> This adds the following two new VM events which will help in validating PMD
>> based THP migration without split. Statistics reported through these even
On 05/21/2020 07:19 PM, Hugh Dickins wrote:
> Fix 5.7-rc6-mm1 page migration crash in unmap_and_move(): when the
> page to be migrated has been freed from under us, that is considered
> a MIGRATEPAGE_SUCCESS, but no newpage has been allocated (and I don't
> think it would ever need to be counte
On 08/20/2020 12:48 AM, Atish Patra wrote:
> On Tue, Aug 18, 2020 at 8:19 PM Anshuman Khandual
> wrote:
>>
>>
>>
>> On 08/15/2020 03:17 AM, Atish Patra wrote:
>>> ARM64 numa implementation is generic enough that RISC-V can reuse that
>>> imple
: Dan Williams
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
This is based on 5.9-rc1
include/linux/memory.h | 28
mm/memory_hotplug.c| 18 +-
2 files changed, 37 insertions(+), 9 deletions(-)
diff
On 08/18/2020 11:35 AM, Michal Hocko wrote:
> On Tue 18-08-20 09:52:02, Anshuman Khandual wrote:
>> Currently a debug message is printed describing the reason for memory range
>> offline failure. This just enumerates existing reason codes which improves
>> overall rea
On 08/18/2020 02:43 PM, Jonathan Cameron wrote:
> On Mon, 17 Aug 2020 14:49:43 +0530
> Anshuman Khandual wrote:
>
>> pmd_present() and pmd_trans_huge() are expected to behave in the following
>> manner during various phases of a given PMD. It is derived from a previous
&
On 08/15/2020 03:17 AM, Atish Patra wrote:
> ARM64 numa implementation is generic enough that RISC-V can reuse that
> implementation with very minor cosmetic changes. This will help both
> ARM64 and RISC-V in terms of maintanace and feature improvement
>
> Move the numa implementation code to c
On 08/19/2020 11:17 AM, Alex Shi wrote:
> pageblock_flags is used as long, since every pageblock_flags is just 4
> bits, 'long' size will include 8(32bit machine) or 16 pageblocks' flags,
> that flag setting has to sync in cmpxchg with 7 or 15 other pageblock
> flags. It would cause long waiting
On 08/19/2020 11:17 AM, Alex Shi wrote:
> Current pageblock_flags is only 4 bits, so it has to share a char size
> in cmpxchg when get set, the false sharing cause perf drop.
>
> If we incrase the bits up to 8, false sharing would gone in cmpxchg. and
> the only cost is half char per pageblock,
27;
> [-Wmissing-prototypes]
> 15 | void rodata_test(void)
> | ^~~
>
> Fixes: 2959a5f726f6 ("mm: add arch-independent testcases for RODATA")
> Signed-off-by: Leon Romanovsky
This build failure appears only with W=1 and gets fixed with this.
Review
On 08/18/2020 05:56 PM, Jonathan Cameron wrote:
> On Tue, 18 Aug 2020 15:11:58 +0530
> Anshuman Khandual wrote:
>
>> On 08/18/2020 02:43 PM, Jonathan Cameron wrote:
>>> On Mon, 17 Aug 2020 14:49:43 +0530
>>> Anshuman Khandual wrote:
>>>
>>&g
On 1/8/21 9:00 PM, David Hildenbrand wrote:
>> To summarize, the section size bits for each base page size config
>> should always
>>
>> a. Avoid (MAX_ORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS
>
> Pageblocks must also always fall completely into a section.
>
>>
>> b. Provide minimum possible
On 1/11/21 3:43 PM, David Hildenbrand wrote:
> On 11.01.21 05:17, Anshuman Khandual wrote:
>>
>>
>> On 1/8/21 9:00 PM, David Hildenbrand wrote:
>>>> To summarize, the section size bits for each base page size config
>>>> should always
&
-off-by: Sudarshan Rajagopalan
> Suggested-by: David Hildenbrand
> Cc: Will Deacon
> Cc: Anshuman Khandual
> Cc: Mike Rapoport
> Cc: Mark Rutland
> Cc: Suren Baghdasaryan
A nit. Please add all relevant mailing lists like LAKML, MM along
with other developers here in the CC l
On 1/11/21 4:21 PM, David Hildenbrand wrote:
> On 17.12.20 16:28, Anshuman Khandual wrote:
>> This introduces memhp_range_allowed() which can be called in various memory
>> hotplug paths to prevalidate the address range which is being added, with
>> the platform. The
On 1/11/21 7:13 PM, Oscar Salvador wrote:
> On Mon, Jan 11, 2021 at 11:51:47AM +0100, David Hildenbrand wrote:
>> AFAIKs, all memhp_get_pluggable_range() users pass "1".
>>
>> What about the "add_pages()-only" path?
>
> I guess you refer to memremap_pages(), right?
Right, via pagemap_range().
> Cc: Oscar Salvador
> Cc: Wei Yang
> Cc: Andrew Morton
> Cc: catalin.mari...@arm.com
> Cc: teawater
> Cc: Anshuman Khandual
> Cc: Pankaj Gupta
> Cc: Jonathan Cameron
> Cc: h...@linux.ibm.com
> Cc: Vasily Gorbik
> Cc: Will Deacon
> Cc: Ard Biesheuv
Biesheuvel
Cc: Mark Rutland
Cc: James Morse
Cc: Robin Murphy
Cc: Jérôme Glisse
Cc: Dan Williams
Cc: David Hildenbrand
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Anshuman Khandual (2):
arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory
arm64/mm
replace
the open coded pfn <--> addr conversion with __[pfn|phys]_to_[phys|pfn]().
This does not cause any functional change.
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Ard Biesheuvel
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
normal hotplug memory as well.
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Ard Biesheuvel
Cc: Robin Murphy
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Fixes: 73b20c84d42d ("arm64: mm: implement pte_devmap support")
Signed-off-by: Anshuman Khandual
---
arc
.
Cc: Mathieu Poirier
Cc: Mike Leach
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-platform.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/hwtracing/coresight/coresight-platform.c
b/drivers/hwtracing/coresight/core
-arm-kernel/1605012309-24812-1-git-send-email-anshuman.khand...@arm.com/
Cc: Mathieu Poirier
Cc: Suzuki K Poulose
Cc: Mike Leach
Cc: Linu Cherian
Cc: coresi...@lists.linaro.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Anshuman Khandual (5):
arm64: Add TRBE definit
: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-etm4x-core.c | 50 ++
drivers/hwtracing/coresight/coresight-etm4x.h | 15 +++
2 files changed, 56 insertions(+), 9 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c
b/drivers
: Mike Leach
Cc: Mathieu Poirier
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-etm4x-core.c | 32 +
drivers/hwtracing/coresight/coresight-etm4x.h | 42 +-
2 files changed, 65 insertions(+), 9
, the event will only trace on the first detected
sink.
Cc: Mathieu Poirier
Cc: Mike Leach
Tested-by: Linu Cherian
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-etm-perf.c | 48 +++-
1 file changed, 38 insertions
indicating TraceActive.
Cc: Mathieu Poirier
Cc: Mike Leach
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-etm4x-core.c | 56 +-
drivers/hwtracing/coresight/coresight-etm4x.h | 7 +++
2 files changed, 50
Leach
Cc: Rob Herring
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Documentation/devicetree/bindings/arm/ete.txt | 41 +++
1 file changed, 41 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/ete.txt
diff --git a
While starting off the etm event, just abort and truncate the perf record
if the perf handle as no space left. This avoids configuring both source
and sink devices in case the data cannot be consumed in perf.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman
connections are not present for certain
percpu source and sink devices which are exclusively linked and dependent.
Build the path directly and skip connection scanning for such devices.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Changes in V1
This adds TRBE related registers and corresponding feature macros.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Changes in V1:
- Re-arranged TRBE register definitions per existing sorted registers
- Replaced some instances with BIT() and
is full. Overall implementation here is inspired from the Arm SPE driver.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Changes in V1:
- Replaced direct alignment tests with IS_ALIGNED()
- Dropped trbe_perf->pid as its not really requi
This patch documents the device tree binding in use for Arm TRBE.
Cc: devicet...@vger.kernel.org
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Changes in V1:
- TRBE DT entry has been renamed as 'arm, trace-buffer-extension'
Doc
On 12/7/20 3:34 PM, Mike Rapoport wrote:
> On Mon, Dec 07, 2020 at 10:49:26AM +0100, Ard Biesheuvel wrote:
>> On Mon, 7 Dec 2020 at 10:42, Mike Rapoport wrote:
>>>
>>> On Mon, Dec 07, 2020 at 09:35:06AM +, Marc Zyngier wrote:
On 2020-12-07 09:09, Ard Biesheuvel wrote:
> (+ Marc)
>>
Ard Biesheuvel
Cc: Mark Rutland
Cc: David Hildenbrand
Cc: Andrew Morton
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-s...@vger.kernel.org
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Anshuman Khandual (3):
mm/hotplug: Prevalidate the address range being added with platform
arm6
()
has already been called.
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Ard Biesheuvel
Cc: Mark Rutland
Cc: David Hildenbrand
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
arch/arm64/mm/mmu.c | 15 +++
1 file changed, 7
VM_BUG_ON() check that would ensure that memhp_range_allowed() has already
been called on the hotplug path.
Cc: Heiko Carstens
Cc: Vasily Gorbik
Cc: David Hildenbrand
Cc: linux-s...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
arch/s390/mm/extmem.c | 5
in the call chain.
Cc: David Hildenbrand
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Suggested-by: David Hildenbrand
Signed-off-by: Anshuman Khandual
---
include/linux/memory_hotplug.h | 3 ++
mm/memory_hotplug.c| 78
On 12/7/20 2:33 PM, David Hildenbrand wrote:
> On 07.12.20 05:38, Anshuman Khandual wrote:
>>
>>
>> On 12/3/20 5:31 PM, David Hildenbrand wrote:
>>> On 03.12.20 12:51, Heiko Carstens wrote:
>>>> On Thu, Dec 03, 2020 at 06:03:00AM +0530, Anshuman Khandua
lose
Cc: Mike Leach
Cc: Linu Cherian
Cc: coresi...@lists.linaro.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Anshuman Khandual (4):
arm64: Add TRBE definitions
coresight: core: Add support for dedicated percpu sinks
coresight: etm-perf: Truncate the perf re
, the event will only trace on the first detected
sink.
Cc: Mathieu Poirier
Cc: Mike Leach
Tested-by: Linu Cherian
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-etm-perf.c | 48 +++-
1 file changed, 38 insertions
.
Cc: Mathieu Poirier
Cc: Mike Leach
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-platform.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/hwtracing/coresight/coresight-platform.c
b/drivers/hwtracing/coresight/core
: Mike Leach
Cc: Mathieu Poirier
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-etm4x-core.c | 32 +
drivers/hwtracing/coresight/coresight-etm4x.h | 52 ++
2 files changed, 75 insertions(+), 9
Leach
Cc: Rob Herring
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Documentation/devicetree/bindings/arm/ete.yaml | 71 ++
1 file changed, 71 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/ete.yaml
diff --git a
indicating TraceActive.
Cc: Mathieu Poirier
Cc: Mike Leach
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Changes in V2:
- Update Kconfig title and description to include ETE
- Filter out registers not implemented in ETE from sysfs
drivers/hwtracing/coresight/Kconfig
: Anshuman Khandual
---
drivers/hwtracing/coresight/coresight-etm4x-core.c | 50 ++
drivers/hwtracing/coresight/coresight-etm4x.h | 15 +++
2 files changed, 56 insertions(+), 9 deletions(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c
b/drivers
While starting off the etm event, just abort and truncate the perf record
if the perf handle as no space left. This avoids configuring both source
and sink devices in case the data cannot be consumed in perf.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman
is full. Overall implementation here is inspired from the Arm SPE driver.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Changes in V2:
- Dropped irq from coresight sysfs documentation
- Renamed get_trbe_limit() as compute_trbe_buffer_limit
connections are not present for certain
percpu source and sink devices which are exclusively linked and dependent.
Build the path directly and skip connection scanning for such devices.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
drivers/hwtracing
This adds TRBE related registers and corresponding feature macros.
Cc: Mathieu Poirier
Cc: Mike Leach
Cc: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
arch/arm64/include/asm/sysreg.h | 49 +
1 file changed, 49 insertions(+)
diff --git a/arch
From: Suzuki K Poulose
Document the device tree bindings for Trace Buffer Extension (TRBE).
Cc: Anshuman Khandual
Cc: Mathieu Poirier
Cc: Rob Herring
Cc: devicet...@vger.kernel.org
Signed-off-by: Suzuki K Poulose
Signed-off-by: Anshuman Khandual
---
Documentation/devicetree/bindings/arm
On 1/12/21 3:39 PM, David Hildenbrand wrote:
> On 12.01.21 04:51, Anshuman Khandual wrote:
>>
>>
>> On 1/11/21 7:13 PM, Oscar Salvador wrote:
>>> On Mon, Jan 11, 2021 at 11:51:47AM +0100, David Hildenbrand wrote:
>>>> AFAIKs, all memhp_get_pluggable_ra
On 1/11/21 4:10 PM, David Hildenbrand wrote:
> On 17.12.20 16:28, Anshuman Khandual wrote:
>> This overrides arch_get_mappabble_range() on s390 platform which will be
>> used with recently added generic framework. It modifies the existing range
>> check in vme
in arch_add_memory() where applicable
and check_hotplug_memory_addressable(), with unified memhp_range_allowed().
Cc: David Hildenbrand
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Suggested-by: David Hildenbrand
Signed-off-by: Anshuman Khandual
---
include/linux
()
has already been called.
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Ard Biesheuvel
Cc: Mark Rutland
Cc: David Hildenbrand
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
arch/arm64/mm/mmu.c | 15 +++
1 file changed, 7
corner cases only some memory at the end of the device-managed memory
region to not be pluggable.
Cc: "Michael S. Tsirkin"
Cc: Jason Wang
Cc: Pankaj Gupta
Cc: Michal Hocko
Cc: Oscar Salvador
Cc: Wei Yang
Cc: Andrew Morton
Cc: catalin.mari...@arm.com
Cc: teawater
Cc: Anshuman Khandual
orton
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-s...@vger.kernel.org
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Anshuman Khandual (3):
mm/memory_hotplug: Prevalidate the address range being added with platform
arm64/mm: Define arch_get_mappable_range()
s390/mm: Define arch_get
been called on the hotplug path.
Cc: Heiko Carstens
Cc: Vasily Gorbik
Cc: David Hildenbrand
Cc: linux-s...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Heiko Carstens
Signed-off-by: Anshuman Khandual
---
arch/s390/mm/init.c | 1 +
arch/s390/mm/vmem.c | 15 ++-
2
On 1/18/21 6:43 PM, Anshuman Khandual wrote:
> From: David Hildenbrand
>
> Right now, we only check against MAX_PHYSMEM_BITS - but turns out there
> are more restrictions of which memory we can actually hotplug, especially
> om arm64 or s390x once we support them: we might re
On 1/7/21 6:00 PM, David Hildenbrand wrote:
> On 06.01.21 07:11, Anshuman Khandual wrote:
>> Hi Sudershan,
>>
>> This patch (and the cover letter) does not copy LAKML even though the
>> entire change here is arm64 specific. Please do copy all applicable
>>
On 1/8/21 2:22 PM, Oscar Salvador wrote:
> Format %pG expects a lower case 'p' in order to print the flags.
> Fix it.
>
> Reported-by: Dan Carpenter
> Signed-off-by: Oscar Salvador
> Fixes: 8295d535e2aa ("mm,hwpoison: refactor get_any_page")
Review
On 1/13/21 2:51 PM, Suzuki K Poulose wrote:
> On 1/13/21 4:18 AM, Anshuman Khandual wrote:
>> This adds TRBE related registers and corresponding feature macros.
>>
>> Cc: Mathieu Poirier
>> Cc: Mike Leach
>> Cc: Suzuki K Poulose
>> Signed-off-by: An
On 1/13/21 3:13 PM, Suzuki K Poulose wrote:
> On 1/13/21 4:18 AM, Anshuman Khandual wrote:
>> Add support for dedicated sinks that are bound to individual CPUs. (e.g,
>> TRBE). To allow quicker access to the sink for a given CPU bound source,
>> keep a percpu array of t
On 1/13/21 8:58 PM, Suzuki K Poulose wrote:
> Hi Anshuman,
>
> The driver looks overall good to me. Please find some minor comments below
>
> On 1/13/21 4:18 AM, Anshuman Khandual wrote:
>> Trace Buffer Extension (TRBE) implements a trace buffer per CPU which is
>>
: linuxppc-...@lists.ozlabs.org
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Suggested-by: Christoph Hellwig
Signed-off-by: Anshuman Khandual
---
This change was originally suggested in an earilier discussion. This
applies on v5.12-rc1 and has been build tested on all applicable
platforms i.e
On 3/4/21 3:06 PM, Will Deacon wrote:
> On Thu, Mar 04, 2021 at 09:12:31AM +0100, David Hildenbrand wrote:
>> On 04.03.21 04:31, Anshuman Khandual wrote:
>>> On 3/4/21 2:54 AM, Will Deacon wrote:
>>>> On Wed, Mar 03, 2021 at 07:04:33PM +, Catalin Marinas wrote:
-4001-1-git-send-email-anshuman.khand...@arm.com/
Anshuman Khandual (2):
arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory
arm64/mm: Reorganize pfn_valid()
arch/arm64/mm/init.c | 29 ++---
1 file changed, 26 insertions(+), 3 deletions(-)
--
2.20.1
normal hotplug memory as well.
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Ard Biesheuvel
Cc: Robin Murphy
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Acked-by: David Hildenbrand
Fixes: 73b20c84d42d ("arm64: mm: implement pte_devmap support")
Signed-off-by
.
This does not cause any functional change.
Cc: Catalin Marinas
Cc: Will Deacon
Cc: Ard Biesheuvel
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: David Hildenbrand
Signed-off-by: Anshuman Khandual
---
arch/arm64/mm/init.c | 21 -
1 file
On 3/5/21 10:54 AM, Anshuman Khandual wrote:
> This series fixes pfn_valid() for ZONE_DEVICE based memory and also improves
> its performance for normal hotplug memory. While here, it also reorganizes
> pfn_valid() on CONFIG_SPARSEMEM. This series is based on v5.12-rc1.
>
> Cc:
Morse
Cc: Suzuki K Poulose
Cc: Ard Biesheuvel
Cc: Mark Rutland
Cc: linux-arm-ker...@lists.infradead.org
Cc: kvm...@lists.cs.columbia.edu
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: James Morse
Signed-off-by: Anshuman Khandual
---
arch/arm64/include/asm/sysreg.h
On 3/4/21 2:54 AM, Will Deacon wrote:
> On Wed, Mar 03, 2021 at 07:04:33PM +, Catalin Marinas wrote:
>> On Thu, Feb 11, 2021 at 01:35:56PM +0100, David Hildenbrand wrote:
>>> On 11.02.21 13:10, Anshuman Khandual wrote:
>>>> On 2/11/21 5:23 PM, Will Deacon wrote
On 3/2/21 10:43 AM, Anshuman Khandual wrote:
> HUGETLB_PAGE_SIZE_VARIABLE need not be defined for each individual
> platform subscribing it. Instead just make it generic.
>
> Cc: Michael Ellerman
> Cc: Benjamin Herrenschmidt
> Cc: Paul Mackerras
> Cc: Andrew Morton
&g
Morton
Cc: linux-a...@vger.kernel.org
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
This applies on v5.12-rc7 and has been boot tested on arm64 platform.
But has been cross compiled on multiple other platforms.
Changes in V2:
- Dropped ARCH_HAS_FIRST_USER_ADDRES
+ linuxppc-...@lists.ozlabs.org
+ linux-i...@vger.kernel.org
On 4/12/21 9:18 AM, Anshuman Khandual wrote:
> pageblock_order must always be less than MAX_ORDER, otherwise it might lead
> to an warning during boot. A similar problem got fixed on arm64 platform
> with the commit 79cc2ed5a71
On 4/12/21 5:29 PM, Oscar Salvador wrote:
> On Thu, Apr 01, 2021 at 12:14:06PM +0530, Anshuman Khandual wrote:
>> ARCH_ENABLE_[HUGEPAGE|THP]_MIGRATION configs have duplicate definitions on
>> platforms that subscribe them. Drop these reduntant definitions and instead
>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
arch/alpha/include/asm/pgtable.h | 1 -
arch/arc/include/asm/pgtable.h | 6 --
arch/arm/Kconfig | 1 +
arch/arm64/include/asm/pgtable.h | 2 --
arch/csky
On 4/14/21 10:52 AM, Christophe Leroy wrote:
>
>
> Le 14/04/2021 à 04:54, Anshuman Khandual a écrit :
>> Currently most platforms define FIRST_USER_ADDRESS as 0UL duplicating the
>> same code all over. Instead define a new option ARCH_HAS_FIRST_USER_ADDRESS
>> for
On 4/14/21 11:40 AM, Christophe Leroy wrote:
>
>
> Le 14/04/2021 à 07:59, Anshuman Khandual a écrit :
>>
>>
>> On 4/14/21 10:52 AM, Christophe Leroy wrote:
>>>
>>>
>>> Le 14/04/2021 à 04:54, Anshuman Khandual a écrit :
>>>> Cur
Changes in V2:
- Rebased on 5.12-rc5
- Added tags from previous version
Changes in V1:
https://lore.kernel.org/linux-arm-kernel/1615278790-18053-1-git-send-email-anshuman.khand...@arm.com/
Anshuman Khandual (6):
mm: Generalize ARCH_HAS_CACHE_LINE_SIZE
mm: Generalize SYS_SUPPORTS_HUGETLBFS (rename
: linuxppc-...@lists.ozlabs.org
Cc: linux-s...@vger.kernel.org
Cc: linux...@vger.kernel.org
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Catalin Marinas (arm64)
Acked-by: Heiko Carstens (s390)
Signed-off-by: Anshuman Khandual
---
arch/arm64/Kconfig | 8 ++--
arch/ia64/Kconf
: Thomas Gleixner
Cc: Ingo Molnar
Cc: "H. Peter Anvin"
Cc: Andrew Morton
Cc: x...@kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linuxppc-...@lists.ozlabs.org
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Catalin Marinas (arm64)
Signed-off-by: Anshuma
-...@lists.ozlabs.org
Cc: linux-xte...@linux-xtensa.org
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Catalin Marinas (arm64)
Reviewed-by: Max Filippov
Signed-off-by: Anshuman Khandual
---
This patch applies on v5.12-rc5 and has been tested on arm64 platform.
But it has been
On 4/1/21 7:53 AM, Shixin Liu wrote:
> The functions {pmd/pud}_set_huge and {pmd/pud}_clear_huge is not depend on
> THP.
s/is not depend/are not dependent/
> But now if we want to test these functions, we have to enable THP. So move
> {pmd/pud}_huge_tests out of CONFIG_TRANSPARENT_HUGEPAGE.
P
On 4/1/21 7:53 AM, Shixin Liu wrote:
> The branch condition should be CONFIG_TRANSPARENT_HUGEPAGE instead of
> CONFIG_ARCH_HAS_PTE_DEVMAP.
>
> Signed-off-by: Shixin Liu
> ---
> mm/debug_vm_pgtable.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/debug_vm_pgtab
On 4/1/21 7:53 AM, Shixin Liu wrote:
> The call to pfn_pmd() here is redundant.
>
> Signed-off-by: Shixin Liu
> ---
> mm/debug_vm_pgtable.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
> index c379bbe42c2a..9f4c4a114229 100644
> --- a/
On 4/9/21 9:35 AM, Anshuman Khandual wrote:
>
> On 4/6/21 10:18 AM, Shixin Liu wrote:
>> v1->v2:
>> Modified the commit message.
>
> Please avoid change log in the commit message, it should be after '---'
> below the SOB statement.
>
>>
On 4/12/21 2:17 PM, David Hildenbrand wrote:
> On 12.04.21 10:06, Anshuman Khandual wrote:
>> + linuxppc-...@lists.ozlabs.org
>> + linux-i...@vger.kernel.org
>>
>> On 4/12/21 9:18 AM, Anshuman Khandual wrote:
>>> pageblock_order must always be less than MAX_O
On 4/9/21 6:52 AM, Wei Yongjun wrote:
> In case of error, the function devm_kasprintf() returns NULL
> pointer not ERR_PTR(). The IS_ERR() test in the return value
> check should be replaced with NULL test.
Right.
>
> Fixes: 3fbf7f011f24 ("coresight: sink: Add TRBE driver")
Again, dont think
PAGE_ORDER
gets assigned as pageblock_order. This will help detect the problem earlier
on platforms where HUGETLB_PAGE_SIZE_VARIABLE is enabled.
Cc: David Hildenbrand
Cc: Andrew Morton
Cc: linux...@kvack.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual
---
Changes in V2:
On 12/8/20 8:57 PM, Heiko Carstens wrote:
> On Tue, Dec 08, 2020 at 09:46:18AM +0530, Anshuman Khandual wrote:
>> This overrides arch_get_mappabble_range() on s390 platform which will be
>> used with recently added generic framework. It drops a redundant similar
>> chec
On 12/1/20 5:49 PM, Anshuman Khandual wrote:
> This series contains some cleanups and new test suggestions from Catalin
> from an earlier discussion.
>
> https://lore.kernel.org/linux-mm/20201123142237.GF17833@gaia/
>
> This series is based on v5.10-rc6 and has been teste
On 12/9/20 8:27 PM, Heiko Carstens wrote:
> On Wed, Dec 09, 2020 at 08:07:04AM +0530, Anshuman Khandual wrote:
>>>> + if (seg->end + 1 > VMEM_MAX_PHYS || seg->end + 1 < seg->start_addr) {
>>>> + rc = -ERANGE;
>>>> + goto o
On 12/10/20 12:34 PM, David Hildenbrand wrote:
>
>> Am 10.12.2020 um 07:58 schrieb Heiko Carstens :
>>
>> On Thu, Dec 10, 2020 at 09:48:11AM +0530, Anshuman Khandual wrote:
>>>>> Alternatively leaving __segment_load() and vmem_add_memory() unchanged
>
On 12/10/20 1:32 PM, David Hildenbrand wrote:
> On 10.12.20 08:40, Anshuman Khandual wrote:
>>
>>
>> On 12/10/20 12:34 PM, David Hildenbrand wrote:
>>>
>>>> Am 10.12.2020 um 07:58 schrieb Heiko Carstens :
>>>>
>>>>
On 11/9/20 5:17 PM, Anshuman Khandual wrote:
> Mapping between IPI type index and its string is direct without requiring
> an additional offset. Hence the existing macro S(x, s) is now redundant
> and can just be dropped. This also makes the code clean and simple.
>
> Cc: Rus
On 11/10/20 9:06 AM, Anshuman Khandual wrote:
> Macros used as functions can be problematic from the compiler perspective.
> There was a build failure report caused primarily because of non reference
> of an argument variable. Hence convert PUD level pgtable helper macros into
>
On 11/30/20 3:08 PM, Catalin Marinas wrote:
> On Mon, Nov 30, 2020 at 09:55:00AM +0530, Anshuman Khandual wrote:
>> On 11/27/20 3:14 PM, Catalin Marinas wrote:
>>> On Fri, Nov 27, 2020 at 09:22:24AM +0100, Christophe Leroy wrote:
>>>> Le 27/11/2020 à 06:06, Anshuman
On 11/20/20 8:05 PM, Will Deacon wrote:
> pte_accessible() is used by ptep_clear_flush() to figure out whether TLB
> invalidation is necessary when unmapping pages for reclaim. Although our
> implementation is correct according to the architecture, returning true
> only for valid, young ptes in t
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