diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-11 08:54:08 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-11 08:54:08 +0900 |
| commit | 1de741159bbb187c8018c4c779acde4ea0188478 (patch) | |
| tree | b8f2cd5230df77517c8204dbc914f560c3af0f27 /include/linux/slab.h | |
| parent | 0723a166d1f1da4c60d7b11289383f073e4dee9b (diff) | |
| parent | 0f35040de59371ad542b915d7b91176c9910dadc (diff) | |
Merge tag 'slab-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab fix from Vlastimil Babka:
- A stable fix for performance regression in tests that perform
kmem_cache_destroy() a lot, due to unnecessarily wide scope of
kvfree_rcu_barrier() (Harry Yoo)
* tag 'slab-for-6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm/slab: introduce kvfree_rcu_barrier_on_cache() for cache destruction
Diffstat (limited to 'include/linux/slab.h')
| -rw-r--r-- | include/linux/slab.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index cf443f064a66..2482992248dc 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -1150,10 +1150,17 @@ static inline void kvfree_rcu_barrier(void) rcu_barrier(); } +static inline void kvfree_rcu_barrier_on_cache(struct kmem_cache *s) +{ + rcu_barrier(); +} + static inline void kfree_rcu_scheduler_running(void) { } #else void kvfree_rcu_barrier(void); +void kvfree_rcu_barrier_on_cache(struct kmem_cache *s); + void kfree_rcu_scheduler_running(void); #endif |