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authorOleg Nesterov <oleg@redhat.com>2014-08-08 14:19:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-08 15:57:17 -0700
commit4449a51a7c281602d3a385044ab928322a122a02 (patch)
tree22d23d36c1e64938b75945160394d9e625939321 /Documentation
parentedcad25095503c9a390bea0cc2f518793447a6a8 (diff)
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>
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