diff options
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/slub.c b/mm/slub.c index 5d37b5e4414..4907563ef7f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -366,7 +366,8 @@ static inline bool __cmpxchg_double_slab(struct kmem_cache *s, struct page *page const char *n) { VM_BUG_ON(!irqs_disabled()); -#ifdef CONFIG_CMPXCHG_DOUBLE +#if defined(CONFIG_HAVE_CMPXCHG_DOUBLE) && \ + defined(CONFIG_HAVE_ALIGNED_STRUCT_PAGE) if (s->flags & __CMPXCHG_DOUBLE) { if (cmpxchg_double(&page->freelist, &page->counters, freelist_old, counters_old, @@ -400,7 +401,8 @@ static inline bool cmpxchg_double_slab(struct kmem_cache *s, struct page *page, void *freelist_new, unsigned long counters_new, const char *n) { -#ifdef CONFIG_CMPXCHG_DOUBLE +#if defined(CONFIG_HAVE_CMPXCHG_DOUBLE) && \ + defined(CONFIG_HAVE_ALIGNED_STRUCT_PAGE) if (s->flags & __CMPXCHG_DOUBLE) { if (cmpxchg_double(&page->freelist, &page->counters, freelist_old, counters_old, @@ -3014,7 +3016,8 @@ static int kmem_cache_open(struct kmem_cache *s, } } -#ifdef CONFIG_CMPXCHG_DOUBLE +#if defined(CONFIG_HAVE_CMPXCHG_DOUBLE) && \ + defined(CONFIG_HAVE_ALIGNED_STRUCT_PAGE) if (system_has_cmpxchg_double() && (s->flags & SLAB_DEBUG_FLAGS) == 0) /* Enable fast mode */ s->flags |= __CMPXCHG_DOUBLE; |