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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-18 16:53:38 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-18 16:53:38 +0200 |
| commit | 5895db67c12464003afd16c08049b73aa09e58ea (patch) | |
| tree | c3855a7ab889dffc2a02460f65abbbe6b800b6e6 /mm/shrinker.c | |
| parent | 1c5f3df9481bb6275aeb079a8312d037da69715b (diff) | |
| parent | f89c296854b755a66657065c35b05406fc18264d (diff) | |
Merge v6.18.39linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/shrinker.c')
| -rw-r--r-- | mm/shrinker.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/mm/shrinker.c b/mm/shrinker.c index 4a93fd433689..cf730374fbc0 100644 --- a/mm/shrinker.c +++ b/mm/shrinker.c @@ -59,12 +59,14 @@ static inline int shrinker_unit_alloc(struct shrinker_info *new, return 0; } -void free_shrinker_info(struct mem_cgroup *memcg) +static void __free_shrinker_info(struct mem_cgroup *memcg) { struct mem_cgroup_per_node *pn; struct shrinker_info *info; int nid; + lockdep_assert_held(&shrinker_mutex); + for_each_node(nid) { pn = memcg->nodeinfo[nid]; info = rcu_dereference_protected(pn->shrinker_info, true); @@ -74,6 +76,13 @@ void free_shrinker_info(struct mem_cgroup *memcg) } } +void free_shrinker_info(struct mem_cgroup *memcg) +{ + mutex_lock(&shrinker_mutex); + __free_shrinker_info(memcg); + mutex_unlock(&shrinker_mutex); +} + int alloc_shrinker_info(struct mem_cgroup *memcg) { int nid, ret = 0; @@ -98,8 +107,8 @@ int alloc_shrinker_info(struct mem_cgroup *memcg) return ret; err: + __free_shrinker_info(memcg); mutex_unlock(&shrinker_mutex); - free_shrinker_info(memcg); return -ENOMEM; } |