mm/slub: don't wait for high-order page allocation

[firefly-linux-kernel-4.4.55.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 7e9e508263fb2356720fde4c81b1522975314d8f..084184e706c63184124bcf874cfe6702e0343950 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1362,6 +1362,8 @@ static struct page *allocate_slab(struct kmem_cache *s, gfp_t flags, int node)
         * so we fall-back to the minimum order allocation.
         */
        alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL;
+       if ((alloc_gfp & __GFP_WAIT) && oo_order(oo) > oo_order(s->min))
+               alloc_gfp = (alloc_gfp | __GFP_NOMEMALLOC) & ~__GFP_WAIT;
 
        page = alloc_slab_page(s, alloc_gfp, node, oo);
        if (unlikely(!page)) {