X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=mm%2Fslab.c;h=7eb38dd1cefa2f988be6297c1b75b12369e05827;hb=15ce2658ddbd3db20dfba3622f3d224f01837fdc;hp=c4b89eaf4c96416eca9e0e8817628525b5c44a9a;hpb=3f3c73de77b5598e9f87812ac4da9445090c3b4a;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/slab.c b/mm/slab.c
index c4b89eaf4c96..7eb38dd1cefa 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -857,6 +857,11 @@ static inline void *____cache_alloc_node(struct kmem_cache *cachep,
 	return NULL;
 }
 
+static inline gfp_t gfp_exact_node(gfp_t flags)
+{
+	return flags;
+}
+
 #else	/* CONFIG_NUMA */
 
 static void *____cache_alloc_node(struct kmem_cache *, gfp_t, int);
@@ -1023,6 +1028,15 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp)
 
 	return __cache_free_alien(cachep, objp, node, page_node);
 }
+
+/*
+ * Construct gfp mask to allocate from a specific node but do not invoke reclaim
+ * or warn about failures.
+ */
+static inline gfp_t gfp_exact_node(gfp_t flags)
+{
+	return (flags | __GFP_THISNODE | __GFP_NOWARN) & ~__GFP_WAIT;
+}
 #endif
 
 /*
@@ -2825,7 +2839,7 @@ alloc_done:
 	if (unlikely(!ac->avail)) {
 		int x;
 force_grow:
-		x = cache_grow(cachep, flags | GFP_THISNODE, node, NULL);
+		x = cache_grow(cachep, gfp_exact_node(flags), node, NULL);
 
 		/* cache_grow can reenable interrupts, then ac could change. */
 		ac = cpu_cache_get(cachep);
@@ -3019,7 +3033,7 @@ retry:
 			get_node(cache, nid) &&
 			get_node(cache, nid)->free_objects) {
 				obj = ____cache_alloc_node(cache,
-					flags | GFP_THISNODE, nid);
+					gfp_exact_node(flags), nid);
 				if (obj)
 					break;
 		}
@@ -3047,7 +3061,7 @@ retry:
 			nid = page_to_nid(page);
 			if (cache_grow(cache, flags, nid, page)) {
 				obj = ____cache_alloc_node(cache,
-					flags | GFP_THISNODE, nid);
+					gfp_exact_node(flags), nid);
 				if (!obj)
 					/*
 					 * Another processor may allocate the
@@ -3118,7 +3132,7 @@ retry:
 
 must_grow:
 	spin_unlock(&n->list_lock);
-	x = cache_grow(cachep, flags | GFP_THISNODE, nodeid, NULL);
+	x = cache_grow(cachep, gfp_exact_node(flags), nodeid, NULL);
 	if (x)
 		goto retry;