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[PATCH] introduce TASK_DEAD state

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I am not sure about this patch, I am asking Ingo to take a decision.

task_struct->state == EXIT_DEAD is a very special case, to avoid a confusion
it makes sense to introduce a new state, TASK_DEAD, while EXIT_DEAD should
live only in ->exit_state as documented in sched.h.

Note that this state is not visible to user-space, get_task_state() masks off
unsuitable states.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Oleg Nesterov
2006-09-29 02:01:11 -07:00
committed by Linus Torvalds
parent 55a101f8f7
commit c394cc9fbb
4 changed files with 7 additions and 6 deletions
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2
mm/oom_kill.c
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@ -227,7 +227,7 @@ static struct task_struct *select_bad_process(unsigned long *ppoints)
p->flags & PF_EXITING;
if (releasing) {
/* TASK_DEAD tasks have already released their mm */
if (p->state == EXIT_DEAD)
if (p->state == TASK_DEAD)
continue;
if (p->flags & PF_EXITING && p == current) {
chosen = p;