]> git.baikalelectronics.ru Git - kernel.git/commit
vm_is_stack: use for_each_thread() rather then buggy while_each_thread()
authorOleg Nesterov <oleg@redhat.com>
Fri, 8 Aug 2014 21:19:17 +0000 (14:19 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 8 Aug 2014 22:57:17 +0000 (15:57 -0700)
commit8db4d18b1ab3fe274bd3dda978e52f78f952ce75
tree22d23d36c1e64938b75945160394d9e625939321
parent925ef5c2bec8530237cf7c0857b554a5ca6ada59
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>
mm/util.c