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coredump_wait: don't call complete_vfork_done()

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Now that CLONE_VFORK is killable, coredump_wait() no longer needs
complete_vfork_done().  zap_threads() should find and kill all tasks with
the same ->mm, this includes our parent if ->vfork_done is set.

mm_release() becomes the only caller, unexport complete_vfork_done().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov
2012-03-05 14:59:13 -08:00
committed by Linus Torvalds
parent d68b46fe16
commit 57b59c4a14
3 changed files with 3 additions and 14 deletions
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kernel/fork.c
+1 -1
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@@ -668,7 +668,7 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
return mm;
}
void complete_vfork_done(struct task_struct *tsk)
static void complete_vfork_done(struct task_struct *tsk)
{
struct completion *vfork;