tree 9cc88e7d1dae063482e1e9117ded747578cbd7ad
parent 8cd9c249128a59e8e833d454a784b0cbd338d468
author Oleg Nesterov <oleg@tv-sign.ru> 1216975662 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1217008419 -0700

coredump: turn core_state->nr_threads into atomic_t

Turn core_state->nr_threads into atomic_t and kill now unneeded
down_write(&mm->mmap_sem) in exit_mm().

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>