Commits
Oleg Nesterov committed 71879d3cb3d
proc: mem_release() should check mm != NULL mem_release() can hit mm == NULL, add the necessary check. Cc: stable@kernel.org Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>