remove()
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
One nit bellow.
[...]
> +
> +/*
> + * shrinker related functions
> + */
This is a multi-comment format. "/* shrinker related functions. */" is
the right one-line format of comment.
> +
> +#ifde
> On Aug 7, 2023, at 19:08, Qi Zheng wrote:
>
> The mm/vmscan.c file is too large, so separate the shrinker-related
> code from it into a separate file. No functional changes.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Aug 7, 2023, at 19:09, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the gfs2-qd shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Aug 7, 2023, at 19:09, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the rcu-kfree shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Aug 7, 2023, at 19:08, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the android-binder shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
super_block.
Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
e critical section when releasing the struct mb_cache.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
On 2023/7/24 17:43, Qi Zheng wrote:
In preparation for implementing lockless slab shrink, use new APIs to
dynamically allocate the md-bcache shrinker, so that it can be freed
asynchronously using kfree_rcu(). Then it doesn't need to wait for RCU
read-side critical section when releasing the
ld secondary array under the RCU lock, the found map and nr_deferred are
> also true, so no data is lost.
>
> [1].
> https://lore.kernel.org/all/20220228122126.37293-13-songmuc...@bytedance.com/
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
ot use shrinker_rwsem or synchronize_rcu() to guarantee that all
> shrinker invocations have seen an update before freeing memory.
>
> So we introduce a new pool_shrink_rwsem to implement a private
> synchronize_shrinkers(), so as to achieve the same purpose.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
read-side critical section when releasing the struct journal_s.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Now no users are using the old APIs, just remove them.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
tical section when releasing the struct xfs_quotainfo.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
e critical section when releasing the struct xfs_buftarg.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
e critical section when releasing the struct vmballoon.
>
> And we can simply exit vmballoon_init() when registering the shrinker
> fails. So the shrinker_registered indication is redundant, just remove it.
>
> Signed-off-by: Qi Zheng
Nice cleanup.
Reviewed-by: Muchun Song
e critical section when releasing the struct ext4_sb_info.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
read-side critical section when releasing the struct virtio_balloon.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
e critical section when releasing the struct zs_pool.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
e critical section when releasing the struct xfs_mount.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
the struct msm_drm_private.
Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
A nit bellow.
---
drivers/gpu/drm/msm/msm_drv.c | 4 ++-
drivers/gpu/drm/msm/msm_drv.h | 4 +--
drivers/gpu/drm/msm/msm_gem_shrinker.c | 36 --
3 files changed, 28
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the nfs-acl shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
On 2023/7/24 17:43, Qi Zheng wrote:
Use new APIs to dynamically allocate the thp-zero and thp-deferred_split
shrinkers.
Signed-off-by: Qi Zheng
---
mm/huge_memory.c | 69 +++-
1 file changed, 45 insertions(+), 24 deletions(-)
diff --git
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the rcu-lazy shrinker.
>
> Signed-off-by: Qi Zheng
> ---
> kernel/rcu/tree_nocb.h | 19 +++
> 1 file changed, 11 insertions(+), 8 deletions(-)
>
> diff --git a/kernel/rcu/tree_nocb.h
e critical section when releasing the struct r5conf.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
e critical section when releasing the struct dm_bufio_client.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the sunrpc_cred shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the rcu-kfree shrinker.
>
> Signed-off-by: Qi Zheng
> ---
> kernel/rcu/tree.c | 21 +
> 1 file changed, 13 insertions(+), 8 deletions(-)
>
> diff --git a/kernel/rcu/tree.c
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the nfs-xattr shrinkers.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the xen-backend shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
Thanks.
read-side critical section when releasing the struct dmz_metadata.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the nfsd-filecache shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the drm-ttm_pool shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
Thanks.
On 2023/7/24 17:43, Qi Zheng wrote:
Use new APIs to dynamically allocate the gfs2-qd shrinker.
Signed-off-by: Qi Zheng
---
fs/gfs2/main.c | 6 +++---
fs/gfs2/quota.c | 26 --
fs/gfs2/quota.h | 3 ++-
3 files changed, 25 insertions(+), 10 deletions(-)
diff
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the mm-shadow shrinker.
>
> Signed-off-by: Qi Zheng
> ---
> mm/workingset.c | 26 ++
> 1 file changed, 14 insertions(+), 12 deletions(-)
>
> diff --git a/mm/workingset.c
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the x86-mmu shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
Thanks.
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the dquota-cache shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the ubifs-slab shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
e critical section when releasing the struct drm_i915_private.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the gfs2-glock shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
Thanks.
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the f2fs-shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
Thanks.
On 2023/7/24 17:43, Qi Zheng wrote:
Currently, the shrinker instances can be divided into the following three
types:
a) global shrinker instance statically defined in the kernel, such as
workingset_shadow_shrinker.
b) global shrinker instance statically defined in the kernel modules,
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> Use new APIs to dynamically allocate the erofs-shrinker.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
Thanks.
> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>
> The mm/vmscan.c file is too large, so separate the shrinker-related
> code from it into a separate file. No functional changes.
>
> Signed-off-by: Qi Zheng
> ---
> include/linux/shrinker.h | 3 +
> mm/Makefile | 4 +-
>
> On Jul 25, 2023, at 11:09, Qi Zheng wrote:
>
>
>
> On 2023/7/25 10:35, Muchun Song wrote:
>>> On Jul 24, 2023, at 17:43, Qi Zheng wrote:
>>>
>>> The mm/vmscan.c file is too large, so separate the shrinker-related
>>> code
re
> is no need to hold shrinker_rwsem during debugfs operations.
>
> Signed-off-by: Qi Zheng
Reviewed-by: Muchun Song
Thanks.
-off-by: Daniel Vetter
Nice cleanup.
Reviewed-by: Muchun Song
Thanks.
Gunthorpe
> Reviewed-by: Chaitanya Kulkarni
Reviewed-by: Muchun Song
On Mon, Feb 7, 2022 at 2:42 PM Christoph Hellwig wrote:
>
> free_devmap_managed_page has nothing to do with the code in swap.c,
> move it to live with the rest of the code for devmap handling.
>
> Signed-off-by: Christoph Hellwig
Reviewed-by: Muchun Song
Thanks.
On Mon, Feb 7, 2022 at 2:42 PM Christoph Hellwig wrote:
>
> __KERNEL__ ifdefs don't make sense outside of include/uapi/.
>
> Signed-off-by: Christoph Hellwig
Reviewed-by: Muchun Song
Thanks.
On Mon, Feb 7, 2022 at 2:36 PM Christoph Hellwig wrote:
>
> memremap.c is only built when CONFIG_ZONE_DEVICE is set, so remove
> the superflous extra check.
>
> Signed-off-by: Christoph Hellwig
Reviewed-by: Muchun Song
Thanks.
On Sat, Apr 17, 2021 at 9:44 PM wrote:
>
> On 4/17/21 3:07 PM, Muchun Song wrote:
> > On Sat, Apr 17, 2021 at 6:41 PM Peter Enderborg
> > wrote:
> >> This adds a total used dma-buf memory. Details
> >> can be found in debugfs, however it is not for everyone
&g
On Sat, Apr 17, 2021 at 6:41 PM Peter Enderborg
wrote:
>
> This adds a total used dma-buf memory. Details
> can be found in debugfs, however it is not for everyone
> and not always available. dma-buf are indirect allocated by
> userspace. So with this value we can monitor and detect
> userspace
On Sat, Apr 17, 2021 at 12:08 AM Peter Enderborg
wrote:
>
> This adds a total used dma-buf memory. Details
> can be found in debugfs, however it is not for everyone
> and not always available. dma-buf are indirect allocated by
> userspace. So with this value we can monitor and detect
> userspace
> synchronization")
> Co-developed-by: Xin He
> Signed-off-by: Xin He
> Signed-off-by: Qi Liu
> Reviewed-by: Muchun Song
> ---
>
> changelog in v3:
> 1) Change the subject from "drm/virtio: fixed memory leak in
> virtio_gpu_execbuffer_ioctl()" to
>
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