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Diffstat (limited to 'mm/slub.c')
-rw-r--r--mm/slub.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 96d63eb3ab1..acc975fcc8c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1470,6 +1470,9 @@ static void *__slab_alloc(struct kmem_cache *s,
void **object;
struct page *new;
+ /* We handle __GFP_ZERO in the caller */
+ gfpflags &= ~__GFP_ZERO;
+
if (!c->page)
goto new_slab;
@@ -1536,9 +1539,15 @@ new_slab:
* That is only possible if certain conditions are met that are being
* checked when a slab is created.
*/
- if (!(gfpflags & __GFP_NORETRY) && (s->flags & __PAGE_ALLOC_FALLBACK))
- return kmalloc_large(s->objsize, gfpflags);
-
+ if (!(gfpflags & __GFP_NORETRY) &&
+ (s->flags & __PAGE_ALLOC_FALLBACK)) {
+ if (gfpflags & __GFP_WAIT)
+ local_irq_enable();
+ object = kmalloc_large(s->objsize, gfpflags);
+ if (gfpflags & __GFP_WAIT)
+ local_irq_disable();
+ return object;
+ }
return NULL;
debug:
if (!alloc_debug_processing(s, c->page, object, addr))
@@ -2679,6 +2688,7 @@ void kfree(const void *x)
}
EXPORT_SYMBOL(kfree);
+#if defined(CONFIG_SLUB_DEBUG) || defined(CONFIG_SLABINFO)
static unsigned long count_partial(struct kmem_cache_node *n)
{
unsigned long flags;
@@ -2691,6 +2701,7 @@ static unsigned long count_partial(struct kmem_cache_node *n)
spin_unlock_irqrestore(&n->list_lock, flags);
return x;
}
+#endif
/*
* kmem_cache_shrink removes empty slabs from the partial lists and sorts