---

yaml --- r: 42698 b: refs/heads/master c: 952f3b5 h: refs/heads/master v: v3
git-mirror · Dec 7, 2006 · 89e7e10 · 89e7e10
1 parent fdd42ce
commit 89e7e10
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5bcd234d881d83ac0259c6d42d98f134e31c60a8
+refs/heads/master: 952f3b51beb592f3f1de15adcdef802fc086ea91
diff --git a/trunk/mm/page_alloc.c b/trunk/mm/page_alloc.c
@@ -1151,6 +1151,17 @@ __alloc_pages(gfp_t gfp_mask, unsigned int order,
 	if (page)
 		goto got_pg;
 
+	/*
+	 * GFP_THISNODE (meaning __GFP_THISNODE, __GFP_NORETRY and
+	 * __GFP_NOWARN set) should not cause reclaim since the subsystem
+	 * (f.e. slab) using GFP_THISNODE may choose to trigger reclaim
+	 * using a larger set of nodes after it has established that the
+	 * allowed per node queues are empty and that nodes are
+	 * over allocated.
+	 */
+	if (NUMA_BUILD && (gfp_mask & GFP_THISNODE) == GFP_THISNODE)
+		goto nopage;
+
 	for (z = zonelist->zones; *z; z++)
 		wakeup_kswapd(*z, order);