diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2011-08-04 16:13:20 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2011-08-04 16:13:20 -0700 |
| commit | 17b0436077d99211d8b26886235a36c5ec54ac57 (patch) | |
| tree | 8bcd9b4a0f8285f749814e95ae0365c611ba2392 /mm/slub.c | |
| parent | aafade242ff24fac3aabf61c7861dfa44a3c2445 (diff) | |
| parent | 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff) | |
Merge commit 'v3.0' into x86/vdso
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; |