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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
commit 57b59c4a14
3 changed files with 3 additions and 14 deletions
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1
include/linux/sched.h
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@ -2291,7 +2291,6 @@ extern int do_execve(const char *,
const char __user * const __user *,
const char __user * const __user *, struct pt_regs *);
extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);
extern void complete_vfork_done(struct task_struct *tsk);
struct task_struct *fork_idle(int);
extern void set_task_comm(struct task_struct *tsk, char *from);