[Deepin-Kernel-SIG] [linux 6.6.y] [Upstream] cleanups for lockless slab shrink + use refcount+RCU method to implement lockless slab shrink#1816

Draft

opsiff wants to merge 50 commits into

deepin-community:linux-6.6.yfrom

opsiff:linux-6.6.y-2026-06-04-mm

Commits on Jun 9, 2026

drm/ttm: introduce pool_shrink_rwsem

Qi Zheng
authored and
opsiff
committed
mm: shrinker: add infrastructure for dynamically allocating shrinker

Qi Zheng
authored and
opsiff
committed
kvm: mmu: dynamically allocate the x86-mmu shrinker

Qi Zheng
authored and
opsiff
committed
binder: dynamically allocate the android-binder shrinker

Qi Zheng
authored and
opsiff
committed
drm/ttm: dynamically allocate the drm-ttm_pool shrinker

Qi Zheng
authored and
opsiff
committed
xenbus/backend: dynamically allocate the xen-backend shrinker

Qi Zheng
authored and
opsiff
committed
erofs: dynamically allocate the erofs-shrinker

Qi Zheng
authored and
opsiff
committed
f2fs: dynamically allocate the f2fs-shrinker

Qi Zheng
authored and
opsiff
committed
gfs2: dynamically allocate the gfs2-glock shrinker

Qi Zheng
authored and
opsiff
committed
gfs2: dynamically allocate the gfs2-qd shrinker

Qi Zheng
authored and
opsiff
committed
NFSv4.2: dynamically allocate the nfs-xattr shrinkers

Qi Zheng
authored and
opsiff
committed
nfs: dynamically allocate the nfs-acl shrinker

Qi Zheng
authored and
opsiff
committed
nfsd: dynamically allocate the nfsd-filecache shrinker

Qi Zheng
authored and
opsiff
committed
quota: dynamically allocate the dquota-cache shrinker

Qi Zheng
authored and
opsiff
committed
ubifs: dynamically allocate the ubifs-slab shrinker

Qi Zheng
authored and
opsiff
committed
rcu: dynamically allocate the rcu-lazy shrinker

Qi Zheng
authored and
opsiff
committed
rcu: dynamically allocate the rcu-kfree shrinker

Qi Zheng
authored and
opsiff
committed
mm: thp: dynamically allocate the thp-related shrinkers

Qi Zheng
authored and
opsiff
committed
sunrpc: dynamically allocate the sunrpc_cred shrinker

Qi Zheng
authored and
opsiff
committed
mm: workingset: dynamically allocate the mm-shadow shrinker

Qi Zheng
authored and
opsiff
committed
drm/i915: dynamically allocate the i915_gem_mm shrinker

Qi Zheng
authored and
opsiff
committed
drm/msm: dynamically allocate the drm-msm_gem shrinker

Qi Zheng
authored and
opsiff
committed
drm/panfrost: dynamically allocate the drm-panfrost shrinker

Qi Zheng
authored and
opsiff
committed
dm: dynamically allocate the dm-bufio shrinker

Qi Zheng
authored and
opsiff
committed
dm zoned: dynamically allocate the dm-zoned-meta shrinker

Qi Zheng
authored and
opsiff
committed
md/raid5: dynamically allocate the md-raid5 shrinker

Qi Zheng
authored and
opsiff
committed
bcache: dynamically allocate the md-bcache shrinker

Qi Zheng
authored and
opsiff
committed
vmw_balloon: dynamically allocate the vmw-balloon shrinker

Qi Zheng
authored and
opsiff
committed
virtio_balloon: dynamically allocate the virtio-balloon shrinker

Qi Zheng
authored and
opsiff
committed
mbcache: dynamically allocate the mbcache shrinker

Qi Zheng
authored and
opsiff
committed
ext4: dynamically allocate the ext4-es shrinker

Qi Zheng
authored and
opsiff
committed
jbd2,ext4: dynamically allocate the jbd2-journal shrinker

Qi Zheng
authored and
opsiff
committed
nfsd: dynamically allocate the nfsd-client shrinker

Qi Zheng
authored and
opsiff
committed
nfsd: dynamically allocate the nfsd-reply shrinker

Qi Zheng
authored and
opsiff
committed
xfs: dynamically allocate the xfs-buf shrinker

Qi Zheng
authored and
opsiff
committed
xfs: dynamically allocate the xfs-inodegc shrinker

Qi Zheng
authored and
opsiff
committed
xfs: dynamically allocate the xfs-qm shrinker

Qi Zheng
authored and
opsiff
committed
zsmalloc: dynamically allocate the mm-zspool shrinker

Qi Zheng
authored and
opsiff
committed
fs: super: dynamically allocate the s_shrink

Qi Zheng
authored and
opsiff
committed
mm: shrinker: remove old APIs

Qi Zheng
authored and
opsiff
committed
mm: shrinker: add a secondary array for shrinker_info::{map, nr_deferred}

Qi Zheng
authored and
opsiff
committed
mm: shrinker: rename {prealloc|unregister}_memcg_shrinker() to shrinker_memcg_{alloc|remove}()

Qi Zheng
authored and
opsiff
committed
mm: shrinker: make global slab shrink lockless

Qi Zheng
authored and
opsiff
committed
mm: shrinker: make memcg slab shrink lockless

Qi Zheng
authored and
opsiff
committed
mm: shrinker: hold write lock to reparent shrinker nr_deferred

Qi Zheng
authored and
opsiff
committed
mm: shrinker: convert shrinker_rwsem to mutex

Qi Zheng
authored and
opsiff
committed
mm: add printf attribute to shrinker_debugfs_name_alloc

el-puerro
authored and
opsiff
committed
mm: shrinker: use kvzalloc_node() from expand_one_shrinker_info()

Tetsuo Handa
authored and
opsiff
committed
mm: shrinker: avoid memleak in alloc_shrinker_info

Chen Ridong
authored and
opsiff
committed
mm/shrinker: fix refcount leak in shrink_slab_memcg()

ahacigu-linux
authored and
opsiff
committed