The patch titled
oom: task lock current before dereferencing cpuset
has been removed from the -mm tree. Its filename was
oom-print-triggering-tasks-cpuset-and-mems-allowed-fix.patch
This patch was dropped because it was folded into oom-print-triggering-tasks-cpuset-and-mems-allowed.patch
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: oom: task lock current before dereferencing cpuset
From: David Rientjes <rientjes@xxxxxxxxxx>
As the comment in cpuset_print_task_mems_allowed() indicates, it's
necessary to take task_lock() on current before dereferencing its cpuset.
Cc: Li Zefan <lizf@xxxxxxxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/oom_kill.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN mm/oom_kill.c~oom-print-triggering-tasks-cpuset-and-mems-allowed-fix mm/oom_kill.c
--- a/mm/oom_kill.c~oom-print-triggering-tasks-cpuset-and-mems-allowed-fix
+++ a/mm/oom_kill.c
@@ -392,7 +392,9 @@ static int oom_kill_process(struct task_
printk(KERN_WARNING "%s invoked oom-killer: "
"gfp_mask=0x%x, order=%d, oomkilladj=%d\n",
current->comm, gfp_mask, order, current->oomkilladj);
+ task_lock(current);
cpuset_print_task_mems_allowed(current);
+ task_unlock(current);
dump_stack();
show_mem();
if (sysctl_oom_dump_tasks)
_
Patches currently in -mm which might be from rientjes@xxxxxxxxxx are
origin.patch
oom-fix-zone_scan_mutex-name.patch
oom-print-triggering-tasks-cpuset-and-mems-allowed.patch
oom-print-triggering-tasks-cpuset-and-mems-allowed-fix.patch
mm-change-dirty-limit-type-specifiers-to-unsigned-long.patch
mm-add-dirty_background_bytes-and-dirty_bytes-sysctls.patch
mm-add-dirty_background_bytes-and-dirty_bytes-sysctls-fix.patch
mm-make-get_user_pages-interruptible.patch
mm-make-get_user_pages-interruptible-mmotm-ignore-sigkill-in-get_user_pages-during-munlock.patch
memory-cgroup-hierarchy-documentation-v4.patch
memory-cgroup-resource-counters-for-hierarchy-v4.patch
memory-cgroup-resource-counters-for-hierarchy-v4-checkpatch-fixes.patch
memory-cgroup-hierarchical-reclaim-v4.patch
memory-cgroup-hierarchical-reclaim-v4-checkpatch-fixes.patch
memory-cgroup-hierarchical-reclaim-v4-fix-for-hierarchical-reclaim.patch
memory-cgroup-hierarchy-feature-selector-v4.patch
memory-cgroup-hierarchy-feature-selector-v4-fix.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
