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| author | Oleg Nesterov <oleg@redhat.com> | 2014-08-08 14:19:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-08 15:57:17 -0700 |
| commit | 4449a51a7c281602d3a385044ab928322a122a02 (patch) | |
| tree | 22d23d36c1e64938b75945160394d9e625939321 /mm/filemap.c | |
| parent | edcad25095503c9a390bea0cc2f518793447a6a8 (diff) | |
| download | lwn-4449a51a7c281602d3a385044ab928322a122a02.tar.gz lwn-4449a51a7c281602d3a385044ab928322a122a02.zip | |
vm_is_stack: use for_each_thread() rather then buggy while_each_thread()
Aleksei hit the soft lockup during reading /proc/PID/smaps. David
investigated the problem and suggested the right fix.
while_each_thread() is racy and should die, this patch updates
vm_is_stack().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reported-by: Aleksei Besogonov <alex.besogonov@gmail.com>
Tested-by: Aleksei Besogonov <alex.besogonov@gmail.com>
Suggested-by: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/filemap.c')
0 files changed, 0 insertions, 0 deletions