aboutsummaryrefslogtreecommitdiff
path: root/mm/page_alloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5d123b39971..dc8753bdd47 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1151,6 +1151,17 @@ restart:
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);