diff --git a/mm/slab.c b/mm/slab.c index 2c655532f5efcefac182e20cd2bb325decb92407..c7576b9027a6fbe53c754053890036f94c0e69fe 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -3252,6 +3252,7 @@ void *fallback_alloc(struct kmem_cache *cache, gfp_t flags) struct zone **z; void *obj = NULL; int nid; + gfp_t local_flags = (flags & GFP_LEVEL_MASK); retry: /* @@ -3275,7 +3276,12 @@ void *fallback_alloc(struct kmem_cache *cache, gfp_t flags) * We may trigger various forms of reclaim on the allowed * set and go into memory reserves if necessary. */ + if (local_flags & __GFP_WAIT) + local_irq_enable(); + kmem_flagcheck(cache, flags); obj = kmem_getpages(cache, flags, -1); + if (local_flags & __GFP_WAIT) + local_irq_disable(); if (obj) { /* * Insert into the appropriate per node queues