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fix OOM killing processes wrongly thought MPOL_BIND

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I only have CONFIG_NUMA=y for build testing: surprised when trying a memhog
to see lots of other processes killed with "No available memory
(MPOL_BIND)".  memhog is killed correctly once we initialize nodemask in
constrained_alloc().

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: Christoph Lameter <clameter@sgi.com>
Acked-by: William Irwin <bill.irwin@oracle.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hugh Dickins 2007-04-23 14:41:02 -07:00 committed by Linus Torvalds
parent fdc30b3d44
commit 3d124cbba3
1 changed files with 2 additions and 0 deletions
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2
mm/oom_kill.c
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@ -176,6 +176,8 @@ static inline int constrained_alloc(struct zonelist *zonelist, gfp_t gfp_mask)
struct zone **z;
nodemask_t nodes;
int node;
nodes_clear(nodes);
/* node has memory ? */
for_each_online_node(node)
if (NODE_DATA(node)->node_present_pages)