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authorOleg Nesterov <oleg@tv-sign.ru>2006-08-27 01:23:40 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-08-27 11:01:30 -0700
commitd015baebba44613ef59ddffeae2114fa4ede7104 (patch)
tree24fb1e84890da3dbbd391b79f91426e3de274480 /fs
parent533475d3d48eb839be2b57f6b020150abae91063 (diff)
[PATCH] futex_find_get_task(): remove an obscure EXIT_ZOMBIE check
futex_find_get_task: if (p->state == EXIT_ZOMBIE || p->exit_state == EXIT_ZOMBIE) return NULL; I can't understand this. First, p->state can't be EXIT_ZOMBIE. The ->exit_state check looks strange too. Sub-threads or tasks whose ->parent ignores SIGCHLD go directly to EXIT_DEAD state (I am ignoring a ptrace case). Why EXIT_DEAD tasks should be ok? Yes, EXIT_ZOMBIE is more important (a task may stay zombie for a long time), but this doesn't mean we should explicitely ignore other EXIT_XXX states. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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