Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
CC: Andrew Morton
CC: Linux-MM
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 76
rk Brown
Signed-off-by: Yunsheng Lin
Tested-by: Mark Brown
---
V2: Repost by adding net-next ML.
Note, page_frag test module is only in the net-next tree for now,
so target the net-next tree.
---
tools/testing/selftests/mm/Makefile | 18 ++
tools/testing/selftests/mm/pag
On 11/15/2024 10:12 PM, Mark Brown wrote:
...
make -C tools/testing/selftests/livepatch/test_modules/
Ah, this one is actually using some framework support for building
modules - it's putting the modules in a separate directory and using
TEST_GEN_MODS_DIR. Crucially, though, it has guards
On 11/16/2024 6:34 AM, Jakub Kicinski wrote:
On Fri, 15 Nov 2024 14:12:09 + Mark Brown wrote:
As above, I am not sure if there is some elegant way to avoid the above error
in the selftest core, one possible way to avoid the above error is to skip
compiling like below as tools/testing/selftes
It seemed that somehow I missed to add the netdev ML:(
On 11/16/2024 12:23 PM, Yunsheng Lin wrote:
page_frag test module is an out of tree module, but built
using KDIR as the main kernel tree, the mm test suite is
just getting skipped if newly added page_frag test module
fails to compile due to
rk Brown
Signed-off-by: Yunsheng Lin
---
Mote, page_frag test module is only in the net-next tree for now,
so target the net-next tree.
---
tools/testing/selftests/mm/Makefile | 18 ++
tools/testing/selftests/mm/page_frag/Makefile | 2 +-
2 files changed, 19 inser
On 2024/11/15 0:02, Mark Brown wrote:
> On Mon, Oct 28, 2024 at 07:53:36PM +0800, Yunsheng Lin wrote:
>> The testing is done by ensuring that the fragment allocated
>> from a frag_frag_cache instance is pushed into a ptr_ring
>> instance in a kthread binded to a specifi
Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
CC: Andrew Morton
CC: Linux-MM
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 76
On 11/1/2024 9:10 PM, Mina Almasry wrote:
...
Isn't it a little odd that old and new are not following the same
pattern?
Hi Yunsheng,
The intention is that page_pool_alloc_pages is mirrored by
page_pool_alloc_netmems.
And page_pool_alloc is mirrored by page_pool_alloc_netmem.
From your d
On 2024/10/30 4:45, Mina Almasry wrote:
> Create page_pool_alloc_netmem to be the mirror of page_pool_alloc.
>
> This enables drivers that want currently use page_pool_alloc to
> transition to netmem by converting the call sites to
> page_pool_alloc_netmem.
For old API, page_pool_alloc_pages() al
Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
CC: Andrew Morton
CC: Linux-MM
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 76
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
CC: Andrew Morton
CC: Linux-MM
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
Acked-by: Chuck Lever
---
drivers/vhost/net.c | 2 +
w Morton
CC: Linux-MM
Signed-off-by: Yunsheng Lin
Acked-by: Andrew Morton
Reviewed-by: Alexander Duyck
---
include/linux/gfp.h | 22 ---
include/linux/mm_types.h | 18 ---
include/linux/mm_types_task.h | 18 +++
i
: Alexander Duyck
CC: Linux-MM
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
---
tools/testing/selftests/mm/Makefile | 3 +
tools/testing/selftests/mm/page_frag/Makefile | 18 ++
.../selftests/mm/page_frag/page_frag_test.c | 198 ++
tools/testing/selftests/mm
1. https://lore.kernel.org/all/20230411160902.4134381-3-dhowe...@redhat.com/
2. https://lore.kernel.org/all/15623dac-9358-4597-b3ee-3694a5956...@gmail.com/
3.
https://lore.kernel.org/all/CAKgT0UdH1yD=LSCXFJ=ym_aia4oomd-2wxyko42bizawmt_...@mail.gmail.com/
CC: David Howells
CC: Alexander Duyck
Signed-
Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 76 +--
tools/testing/selftests/mm
-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
---
tools/testing/selftests/mm/Makefile | 3 +
tools/testing/selftests/mm/page_frag/Makefile | 18 ++
.../selftests/mm/page_frag/page_frag_test.c | 198 ++
tools/testing/selftests/mm/run_vmtests.sh | 8
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
Acked-by: Chuck Lever
---
drivers/vhost/net.c | 2 +-
include/linux/page_fr
Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 76 +--
tools/testing/selftests/mm
1. https://lore.kernel.org/all/20230411160902.4134381-3-dhowe...@redhat.com/
2. https://lore.kernel.org/all/15623dac-9358-4597-b3ee-3694a5956...@gmail.com/
3.
https://lore.kernel.org/all/CAKgT0UdH1yD=LSCXFJ=ym_aia4oomd-2wxyko42bizawmt_...@mail.gmail.com/
CC: David Howells
CC: Alexander Duyck
Signed-
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
Acked-by: Chuck Lever
---
drivers/vhost/net.c | 2 +-
include/linux/page_fr
-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
---
tools/testing/selftests/mm/Makefile | 3 +
tools/testing/selftests/mm/page_frag/Makefile | 18 ++
.../selftests/mm/page_frag/page_frag_test.c | 198 ++
tools/testing/selftests/mm/run_vmtests.sh | 8
On 2024/10/9 3:56, Shuah Khan wrote:
> On 10/8/24 05:20, Yunsheng Lin wrote:
>> The testing is done by ensuring that the fragment allocated
>> from a frag_frag_cache instance is pushed into a ptr_ring
>> instance in a kthread binded to a specified cpu, and a kthread
>>
Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 66 +--
tools/testing/selftests/mm
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
Acked-by: Chuck Lever
---
drivers/vhost/net.c | 2 +-
include/linux/page_fr
1. https://lore.kernel.org/all/20230411160902.4134381-3-dhowe...@redhat.com/
2. https://lore.kernel.org/all/15623dac-9358-4597-b3ee-3694a5956...@gmail.com/
3.
https://lore.kernel.org/all/CAKgT0UdH1yD=LSCXFJ=ym_aia4oomd-2wxyko42bizawmt_...@mail.gmail.com/
CC: David Howells
CC: Alexander Duyck
Signed-
-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
---
tools/testing/selftests/mm/Makefile | 3 +
tools/testing/selftests/mm/page_frag/Makefile | 18 ++
.../selftests/mm/page_frag/page_frag_test.c | 173 ++
tools/testing/selftests/mm/run_vmtests.sh | 8
-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
---
tools/testing/selftests/mm/Makefile | 3 +
tools/testing/selftests/mm/page_frag/Makefile | 18 ++
.../selftests/mm/page_frag/page_frag_test.c | 173 ++
tools/testing/selftests/mm/run_vmtests.sh | 8
Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 66 +--
tools/testing/selftests/mm
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
Acked-by: Chuck Lever
---
drivers/vhost/net.c | 2 +-
include/linux/page_fr
1. https://lore.kernel.org/all/20230411160902.4134381-3-dhowe...@redhat.com/
2. https://lore.kernel.org/all/15623dac-9358-4597-b3ee-3694a5956...@gmail.com/
3.
https://lore.kernel.org/all/CAKgT0UdH1yD=LSCXFJ=ym_aia4oomd-2wxyko42bizawmt_...@mail.gmail.com/
CC: David Howells
CC: Alexander Duyck
Signed-
On 2024/9/10 19:27, Jesper Dangaard Brouer wrote:
...
>>
>> The main issue I remembered was that it only support x86:(
>>
>
> Yes, because I've added ASM code for reading TSC counter in a very
> precise manor. Given we run many iterations, then I don't think we
> need this precise reading. I gue
On 2024/9/10 1:28, Mina Almasry wrote:
> On Mon, Sep 9, 2024 at 2:25 AM Yunsheng Lin wrote:
>>
>> The testing is done by ensuring that the page allocated from
>> the page_pool instance is pushed into a ptr_ring instance in
>> a kthread/napi binded to a specified cpu, a
: Yunsheng Lin
---
tools/testing/selftests/net/Makefile | 3 +
.../testing/selftests/net/page_pool/Makefile | 18 +
.../selftests/net/page_pool/page_pool_test.c | 433 ++
tools/testing/selftests/net/test_page_pool.sh | 175 +++
4 files changed, 629 insertions
Add testing for the newly added prepare API, for both aligned
and non-aligned API, also probe API is also tested along with
prepare API.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
.../selftests/mm/page_frag/page_frag_test.c | 66 +--
tools/testing/selftests/mm
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
Acked-by: Chuck Lever
---
drivers/vhost/net.c | 2 +-
include/linux/page_fr
1. https://lore.kernel.org/all/20230411160902.4134381-3-dhowe...@redhat.com/
2. https://lore.kernel.org/all/15623dac-9358-4597-b3ee-3694a5956...@gmail.com/
3.
https://lore.kernel.org/all/CAKgT0UdH1yD=LSCXFJ=ym_aia4oomd-2wxyko42bizawmt_...@mail.gmail.com/
CC: David Howells
CC: Alexander Duyck
Signed-
-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
---
tools/testing/selftests/mm/Makefile | 3 +
tools/testing/selftests/mm/page_frag/Makefile | 18 ++
.../selftests/mm/page_frag/page_frag_test.c | 170 +
tools/testing/selftests/mm/run_vmtests.sh | 8 +
tools
On 2024/8/6 8:52, Alexander Duyck wrote:
> On Sun, Aug 4, 2024 at 10:00 AM Yunsheng Lin
> wrote:
>>
>> On 8/3/2024 1:00 AM, Alexander Duyck wrote:
>>
>>>>
>>>>>
>>>>> As far as your API extension and naming maybe you should look
On 8/3/2024 1:00 AM, Alexander Duyck wrote:
As far as your API extension and naming maybe you should look like
something like bio_vec and borrow the naming from that since that is
essentially what you are passing back and forth is essentially that
instead of a page frag which is normally a vi
On 2024/8/1 23:21, Alexander Duyck wrote:
> On Thu, Aug 1, 2024 at 6:01 AM Yunsheng Lin wrote:
>>
>> On 2024/8/1 2:13, Alexander Duyck wrote:
>>> On Wed, Jul 31, 2024 at 5:50 AM Yunsheng Lin wrote:
>>>>
>>>> Currently the page_frag API is return
On 2024/8/1 2:13, Alexander Duyck wrote:
> On Wed, Jul 31, 2024 at 5:50 AM Yunsheng Lin wrote:
>>
>> Currently the page_frag API is returning 'virtual address'
>> or 'va' when allocing and expecting 'virtual address' or
>> 'va' as
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Subbaraya Sundeep
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_t
On 2024/7/22 4:41, Alexander Duyck wrote:
> On Fri, Jul 19, 2024 at 2:37 AM Yunsheng Lin wrote:
>>
>> Currently the page_frag API is returning 'virtual address'
>> or 'va' when allocing and expecting 'virtual address' or
>> 'va&#x
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
Reviewed-by: Subbaraya Sundeep
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_t
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
Use appropriate frag_page API instead of caller accessing
'page_frag_cache' directly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/vhost/net.c | 2 +-
include/linux/page_frag_cache.h | 10 ++
mm/page_frag_test.c | 2 +-
net/cor
h
va, page or both va and page may call page_frag_alloc_va*,
page_frag_alloc_pg*, or page_frag_alloc* API accordingly.
CC: Alexander Duyck
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drive
On 2024/4/17 0:12, Alexander H Duyck wrote:
> On Mon, 2024-04-15 at 21:19 +0800, Yunsheng Lin wrote:
>> Currently most of the API for page_frag API is returning
>> 'virtual address' as output or expecting 'virtual address'
>> as input, in order to different
ding API mirroring the page_pool_alloc_va() API of
the page_pool.
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drivers/net/ethernet/intel/ice/ice_txrx.h | 2 +-
drivers/net/ethernet/intel/
ding API mirroring the page_pool_alloc_va() API of
the page_pool.
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drivers/net/ethernet/intel/ice/ice_txrx.h | 2 +-
drivers/net/ethernet/intel/
ding API mirroring the page_pool_alloc_va() API of
the page_pool.
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_rx.c | 4 ++--
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
drivers/net/ethernet/intel/ice/ice_txrx.h | 2 +-
drivers/net/ethernet/intel/
uct page_frag',
and allocating frag using page_frag_alloc_align().
The added benefit is that not only unifying the page frag
implementation a little, but also having about 0.5% performance
boost testing by using the vhost_net_test introduced in the
last patch.
Signed-off-by: Yunsheng Lin
.
Steps for vhost_net rx testing:
1. Prepare a in buf.
2. Do the sending in the tun side.
3. Kick the vhost_net to do rx processing.
4. verify the data received by vhost_net is correct.
Signed-off-by: Yunsheng Lin
---
tools/virtio/.gitignore| 1 +
tools/virtio/Makefile
g for page frag implementation in sock.c
for now as suggested by Paolo Abeni.
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
CC: Alexander Duyck
---
drivers/vhost/net.c | 2 +-
mm/page_alloc.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/vhost/net.c
On 2024/2/6 11:08, Jason Wang wrote:
...
>> +
>> +static void wait_for_interrupt(struct vq_info *vq)
>> +{
>> + unsigned long long val;
>> +
>> + poll(&vq->fds, 1, -1);
>
> It's not good to wait indefinitely.
How about a timeout value of 100ms as below?
poll(&vq->fds, 1, 100);
>
>
.
Steps for vhost_net rx testing:
1. Prepare a in buf.
2. Do the sending in the tun side.
3. Kick the vhost_net to do rx processing.
4. verify the data received by vhost_net is correct.
Signed-off-by: Yunsheng Lin
---
tools/virtio/.gitignore| 1 +
tools/virtio/Makefile
uct page_frag',
and allocating frag using page_frag_alloc_align().
The added benefit is that not only unifying the page frag
implementation a little, but also having about 0.5% performance
boost testing by using the vhost_net_test introduced in the
last patch.
Signed-off-by: Yunsheng Lin
g for page frag implementation in sock.c
for now as suggested by Paolo Abeni.
Signed-off-by: Yunsheng Lin
Reviewed-by: Alexander Duyck
CC: Alexander Duyck
---
drivers/vhost/net.c | 2 +-
mm/page_alloc.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/vhost/net.c
On 2024/2/4 9:30, Jason Wang wrote:
> On Fri, Feb 2, 2024 at 8:24 PM Yunsheng Lin wrote:
>>
>> On 2024/2/2 12:05, Jason Wang wrote:
>>> On Tue, Jan 30, 2024 at 7:38 PM Yunsheng Lin wrote:
>>>>
>>>> introduce vhost_net_test basing on virtio_te
On 2024/2/2 16:36, Paolo Abeni wrote:
> On Fri, 2024-02-02 at 10:10 +0800, Yunsheng Lin wrote:
>> On 2024/2/1 21:16, Paolo Abeni wrote:
>>
>>> from the __page_frag_cache_refill() allocator - which never accesses
>>> the memory reserves.
>>
>> I am n
On 2024/2/2 12:05, Jason Wang wrote:
> On Tue, Jan 30, 2024 at 7:38 PM Yunsheng Lin wrote:
>>
>> introduce vhost_net_test basing on virtio_test to test
>> vhost_net changing in the kernel.
>
> Let's describe what kind of test is being done and how it is done here.
On 2024/2/1 21:16, Paolo Abeni wrote:
> On Tue, 2024-01-30 at 19:37 +0800, Yunsheng Lin wrote:
>> Currently there seems to be three page frag implementions
>> which all try to allocate order 3 page, if that fails, it
>> then fail back to allocate order 0 page, and each of them
introduce vhost_net_test basing on virtio_test to test
vhost_net changing in the kernel.
Signed-off-by: Yunsheng Lin
---
tools/virtio/.gitignore | 1 +
tools/virtio/Makefile | 8 +-
tools/virtio/vhost_net_test.c | 576 ++
3 files changed, 582
uct page_frag',
and allocating frag using page_frag_alloc_align().
The added benefit is that not only unifying the page frag
implementation a little, but also having about 0.5% performance
boost testing by using the vhost_net_test introduced in the
last patch.
Signed-off-by: Yunsheng Lin
(), but it is not
masked off in __page_frag_cache_refill().
This patch unifies the gfp bits used between different
implementions by or'ing __GFP_NOMEMALLOC and masking off
__GFP_DIRECT_RECLAIM for order 3 page allocation to avoid
possible pressure for mm.
Signed-off-by: Yunsheng Lin
Reviewe
introduce vhost_net_test basing on virtio_test to test
vhost_net changing in the kernel.
Signed-off-by: Yunsheng Lin
---
tools/virtio/.gitignore | 1 +
tools/virtio/Makefile | 8 +-
tools/virtio/vhost_net_test.c | 576 ++
3 files changed, 582
uct page_frag',
and allocating frag using page_frag_alloc_align().
The added benefit is that not only unifying the page frag
implementation a little, but also having about 0.5% performance
boost testing by using the vhost_net_test introduced in the
last patch.
Signed-off-by: Yunsheng Lin
(), but it is not
masked off in __page_frag_cache_refill().
This patch unifies the gfp bits used between different
implementions by or'ing __GFP_NOMEMALLOC and masking off
__GFP_DIRECT_RECLAIM for order 3 page allocation to avoid
possible pressure for mm.
Signed-off-by: Yunsheng Lin
Reviewe
On 2024/1/6 0:06, Alexander H Duyck wrote:
>>
>> static void handle_tx_copy(struct vhost_net *net, struct socket *sock)
>> @@ -1353,8 +1318,7 @@ static int vhost_net_open(struct inode *inode, struct
>> file *f)
>> vqs[VHOST_NET_VQ_RX]);
>>
>> f->private_data = n;
>>
On 2024/1/5 23:35, Alexander H Duyck wrote:
> On Wed, 2024-01-03 at 17:56 +0800, Yunsheng Lin wrote:
>> Currently there seems to be three page frag implementions
>> which all try to allocate order 3 page, if that fails, it
>> then fail back to allocate order 0 page, and each
On 2024/1/5 0:17, Eugenio Perez Martin wrote:
> On Wed, Jan 3, 2024 at 11:00 AM Yunsheng Lin wrote:
...
>> +
>> +static void run_tx_test(struct vdev_info *dev, struct vq_info *vq,
>> + bool delayed, int batch, int bufs)
>> +{
>> +
introduce vhost_net_test basing on virtio_test to test
vhost_net changing in the kernel.
Signed-off-by: Yunsheng Lin
---
tools/virtio/Makefile | 8 +-
tools/virtio/vhost_net_test.c | 574 ++
2 files changed, 579 insertions(+), 3 deletions(-)
create
When draining a page_frag_cache, most user are doing
the similar steps, so introduce an API to avoid code
duplication.
Signed-off-by: Yunsheng Lin
Acked-by: Jason Wang
---
drivers/net/ethernet/google/gve/gve_main.c | 11 ++-
drivers/net/ethernet/mediatek/mtk_wed_wo.c | 17
uct page_frag',
and allocating frag using page_frag_alloc_align().
The added benefit is that not only unifying the page frag
implementation a little, but also having about 0.5% performance
boost testing by using the vhost_net_test introduced in the
last patch.
Signed-off-by: Yunsheng Lin
(), but it is not
masked off in __page_frag_cache_refill().
This patch unifies the gfp bits used between different
implementions by or'ing __GFP_NOMEMALLOC and masking off
__GFP_DIRECT_RECLAIM for order 3 page allocation to avoid
possible pressure for mm.
Signed-off-by: Yunsheng Lin
CC:
On 2023/12/21 10:33, Jason Wang wrote:
> On Wed, Dec 20, 2023 at 8:45 PM Yunsheng Lin wrote:
>>
>> On 2023/12/12 12:35, Jason Wang wrote:>>>> +done:
>>>>>> + backend.fd = tun_alloc();
>>>>>> + assert
On 2023/12/12 12:35, Jason Wang wrote: +done:
+ backend.fd = tun_alloc();
+ assert(backend.fd >= 0);
+ vdev_info_init(&dev, features);
+ vq_info_add(&dev, 256);
+ run_test(&dev, &dev.vqs[0], delayed, batch, reset, nbufs);
>>>
>>> I'd expect
On 2023/12/17 16:09, Mina Almasry wrote:
> Use netmem_t instead of page directly in skb_frag_t. Currently netmem_t
> is always a struct page underneath, but the abstraction allows efforts
> to add support for skb frags not backed by pages.
>
> There is unfortunately 1 instance where the skb_frag_t
On 2023/12/7 14:00, Jason Wang wrote:
> On Tue, Dec 5, 2023 at 7:35 PM Yunsheng Lin wrote:
...
>> +
>> +static int tun_alloc(void)
>> +{
>> + struct ifreq ifr;
>> + int fd, e;
>> +
>> + fd = open("/dev/net/tun", O_RD
On 2023/12/7 11:15, Jakub Kicinski wrote:
> On Tue, 5 Dec 2023 19:34:40 +0800 Yunsheng Lin wrote:
>> __GFP_DIRECT_RECLAIM is xor'd to avoid
>> direct reclaim in skb_page_frag_refill(), but it is not
>> xor'd in __page_frag_cache_refill().
>
> xor is not the
introduce vhost_net_test basing on virtio_test to test
vhost_net changing in the kernel.
Signed-off-by: Yunsheng Lin
---
tools/virtio/Makefile | 8 +-
tools/virtio/vhost_net_test.c | 441 ++
2 files changed, 446 insertions(+), 3 deletions(-)
create
When draining a page_frag_cache, most user are doing
the similar steps, so introduce an API to avoid code
duplication.
Signed-off-by: Yunsheng Lin
---
drivers/net/ethernet/google/gve/gve_main.c | 11 ++-
drivers/net/ethernet/mediatek/mtk_wed_wo.c | 17 ++---
drivers/nvme
uct page_frag',
and allocating frag using page_frag_alloc_align().
The added benefit is that not only unifying the page frag
implementation a little, but also having about 0.5% performance
boost testing by using the vhost_net_test introduced in the
last patch.
Signed-off-by: Yunsheng
, but it is not
xor'd in __page_frag_cache_refill().
This patch unifies the gfp bits used between different
implementions by or'ing __GFP_NOMEMALLOC and xor'ing
__GFP_DIRECT_RECLAIM for order 3 page allocation to avoid
possible pressure for mm.
Signed-off-by: Yunsheng Lin
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