diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-13 13:00:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-13 13:00:53 -0700 |
| commit | 40779859de0f73b40390c6401a024d06cf024290 (patch) | |
| tree | b799c66c3886a8be5c40c3c382f1a5feda7dabef /mm/slub.c | |
| parent | ffdb8f1bfbd9cef1394f5d3c4a774015d4ac0f97 (diff) | |
| parent | a947eb95ea03199da7408a64baa97fbb613e9b84 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
SLAB: Record actual last user of freed objects.
slub: always align cpu_slab to honor cmpxchg_double requirement
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/mm/slub.c b/mm/slub.c index 7be0223531b..35f351f2619 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2320,16 +2320,12 @@ static inline int alloc_kmem_cache_cpus(struct kmem_cache *s) BUILD_BUG_ON(PERCPU_DYNAMIC_EARLY_SIZE < SLUB_PAGE_SHIFT * sizeof(struct kmem_cache_cpu)); -#ifdef CONFIG_CMPXCHG_LOCAL /* - * Must align to double word boundary for the double cmpxchg instructions - * to work. + * Must align to double word boundary for the double cmpxchg + * instructions to work; see __pcpu_double_call_return_bool(). */ - s->cpu_slab = __alloc_percpu(sizeof(struct kmem_cache_cpu), 2 * sizeof(void *)); -#else - /* Regular alignment is sufficient */ - s->cpu_slab = alloc_percpu(struct kmem_cache_cpu); -#endif + s->cpu_slab = __alloc_percpu(sizeof(struct kmem_cache_cpu), + 2 * sizeof(void *)); if (!s->cpu_slab) return 0; |