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| author | Ingo Molnar <mingo@elte.hu> | 2011-06-16 15:23:15 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-06-16 15:23:22 +0400 |
| commit | b4f9f2b64aa189c5584f266f4f0343af7a705441 (patch) | |
| tree | f410718bb93590ff61682b566c10f70d5883bbcd /mm/slub.c | |
| parent | 76369139ceb955deefc509e6e12ce9d6ce50ccab (diff) | |
| parent | 2c53b436a30867eb6b47dd7bab23ba638d1fb0d2 (diff) | |
| download | linux-b4f9f2b64aa189c5584f266f4f0343af7a705441.tar.xz | |
Merge commit 'v3.0-rc3' into perf/core
Merge reason: add the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 7be0223531b0..35f351f26193 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; |