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authorNick Piggin <npiggin@suse.de>2006-08-27 01:23:54 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-08-27 11:01:32 -0700
commit0d673a5a4775d3dc565b6668ed75fd2db2ede624 (patch)
treea447aa33cf8b8fea26a81add012169a1a8060706
parent36920e069a87c6fccffbc0ec5e74985d94d3bcc4 (diff)
downloadlinux-stericsson-0d673a5a4775d3dc565b6668ed75fd2db2ede624.tar.gz
[PATCH] cpuset: oom panic fix
cpuset_excl_nodes_overlap always returns 0 if current is exiting. This caused customer's systems to panic in the OOM killer when processes were having trouble getting memory for the final put_user in mm_release. Even though there were lots of processes to kill. Change to returning 1 in this case. This achieves parity with !CONFIG_CPUSETS case, and was observed to fix the problem. Signed-off-by: Nick Piggin <npiggin@suse.de> Acked-by: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--kernel/cpuset.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index f1dda98bdffe..4ea6f0dc2fc5 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2420,7 +2420,7 @@ EXPORT_SYMBOL_GPL(cpuset_mem_spread_node);
int cpuset_excl_nodes_overlap(const struct task_struct *p)
{
const struct cpuset *cs1, *cs2; /* my and p's cpuset ancestors */
- int overlap = 0; /* do cpusets overlap? */
+ int overlap = 1; /* do cpusets overlap? */
task_lock(current);
if (current->flags & PF_EXITING) {