ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_max() is inclusive. So a -1 has been added when needed.
Signed-off-by: Christophe JAILLET
---
drivers/r
Hi Vincent,
On Thu, 11 Jan 2024 16:17:11 +
Vincent Donnefort wrote:
> It is now possible to mmap() a ring-buffer to stream its content. Add
> some documentation and a code example.
>
> Signed-off-by: Vincent Donnefort
>
> diff --git a/Documentation/trace/index.rst b/Documentation/trace/in
On Sun, 14 Jan 2024 23:26:43 +0900
Masami Hiramatsu (Google) wrote:
> Hi Vincent,
>
> On Thu, 11 Jan 2024 16:17:11 +
> Vincent Donnefort wrote:
>
> > It is now possible to mmap() a ring-buffer to stream its content. Add
> > some documentation and a code example.
> >
> > Signed-off-by: Vin
On Sun, 14 Jan 2024 11:23:24 -0500
Steven Rostedt wrote:
> On Sun, 14 Jan 2024 23:26:43 +0900
> Masami Hiramatsu (Google) wrote:
>
> > Hi Vincent,
> >
> > On Thu, 11 Jan 2024 16:17:11 +
> > Vincent Donnefort wrote:
> >
> > > It is now possible to mmap() a ring-buffer to stream its conten
The following changes since commit 98b1cc82c4affc16f5598d4fa14b1858671b2263:
Linux 6.7-rc2 (2023-11-19 15:02:14 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git
tags/rpmsg-v6.8
for you to fetch changes up to d5362c37e1f8a
The following changes since commit 98b1cc82c4affc16f5598d4fa14b1858671b2263:
Linux 6.7-rc2 (2023-11-19 15:02:14 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git
tags/rproc-v6.8
for you to fetch changes up to 300ed425dfa99
The following changes since commit b85ea95d086471afb4ad062012a4d73cd328fa86:
Linux 6.7-rc1 (2023-11-12 16:19:07 -0800)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git
tags/hwlock-v6.8
for you to fetch changes up to bcd0f5d18b0b
On Thu, 11 Jan 2024 16:17:09 +
Vincent Donnefort wrote:
> In preparation for allowing the user-space to map a ring-buffer, add
> a set of mapping functions:
>
> ring_buffer_{map,unmap}()
> ring_buffer_map_fault()
>
> And controls on the ring-buffer:
>
> ring_buffer_map_get_reader()
There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously
posted at [1].
It says there is no implementation of the demote/promote DAMOS action
are made. This RFC is about its implementation for physical address
space.
Introduction
With the advent of CXL/PCIe attached
Since we will introduce reclaim_pages like functions such as
demote_pages and promote_pages, the most of the code can be shared.
This is a preparation patch that introduces reclaim_or_migrate_folios()
to cover all the logics, but it provides a handler for the different
actions.
No functional chan
From: Hyeongtak Ji
This patch adds next_promotion_node that can be used to identify the
appropriate promotion target based on memory tiers. When multiple
promotion target nodes are available, the nearest node is selected based
on numa distance.
Signed-off-by: Hyeongtak Ji
---
include/linux/me
This patch introduces DAMOS_DEMOTE action, which is similar to
DAMOS_PAGEOUT, but demote folios instead of swapping them out.
Since there are some common routines with pageout, many functions have
similar logics between pageout and demote.
The execution sequence of DAMOS_PAGEOUT and DAMOS_DEMOTE
From: Hyeongtak Ji
This patch introduces DAMOS_PROMOTE action for paddr mode.
It includes renaming alloc_demote_folio to alloc_migrate_folio to use it
for promotion as well.
The execution sequence of DAMOS_DEMOTE and DAMOS_PROMOTE look as
follows for comparison.
DAMOS_DEMOTE action
damo_
ping~
在 2024/1/5 9:36, Bixuan Cui 写道:
When the system memory is low, kswapd reclaims the memory. The key steps
of memory reclamation include
1.shrink_lruvec
* shrink_active_list, moves folios from the active LRU to the inactive LRU
* shrink_inactive_list, shrink lru from inactive LRU list
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