diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/slub.c | 12 |
1 files changed, 4 insertions, 8 deletions
@@ -2320,16 +2320,12 @@ static inline int alloc_kmem_cache_cpus(struct kmem_cache *s) | |||
2320 | BUILD_BUG_ON(PERCPU_DYNAMIC_EARLY_SIZE < | 2320 | BUILD_BUG_ON(PERCPU_DYNAMIC_EARLY_SIZE < |
2321 | SLUB_PAGE_SHIFT * sizeof(struct kmem_cache_cpu)); | 2321 | SLUB_PAGE_SHIFT * sizeof(struct kmem_cache_cpu)); |
2322 | 2322 | ||
2323 | #ifdef CONFIG_CMPXCHG_LOCAL | ||
2324 | /* | 2323 | /* |
2325 | * Must align to double word boundary for the double cmpxchg instructions | 2324 | * Must align to double word boundary for the double cmpxchg |
2326 | * to work. | 2325 | * instructions to work; see __pcpu_double_call_return_bool(). |
2327 | */ | 2326 | */ |
2328 | s->cpu_slab = __alloc_percpu(sizeof(struct kmem_cache_cpu), 2 * sizeof(void *)); | 2327 | s->cpu_slab = __alloc_percpu(sizeof(struct kmem_cache_cpu), |
2329 | #else | 2328 | 2 * sizeof(void *)); |
2330 | /* Regular alignment is sufficient */ | ||
2331 | s->cpu_slab = alloc_percpu(struct kmem_cache_cpu); | ||
2332 | #endif | ||
2333 | 2329 | ||
2334 | if (!s->cpu_slab) | 2330 | if (!s->cpu_slab) |
2335 | return 0; | 2331 | return 0; |