From 42b2dd0a02c512cf59c96f5c227bf54bfe5bbf08 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 16 Oct 2007 23:27:30 -0700 Subject: Shrink task_struct if CONFIG_FUTEX=n robust_list, compat_robust_list, pi_state_list, pi_state_cache are really used if futexes are on. Signed-off-by: Alexey Dobriyan Acked-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/fork.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'kernel/fork.c') diff --git a/kernel/fork.c b/kernel/fork.c index 8a97e92c604f..3e764f6f2be1 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1156,13 +1156,14 @@ static struct task_struct *copy_process(unsigned long clone_flags, * Clear TID on mm_release()? */ p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr: NULL; +#ifdef CONFIG_FUTEX p->robust_list = NULL; #ifdef CONFIG_COMPAT p->compat_robust_list = NULL; #endif INIT_LIST_HEAD(&p->pi_state_list); p->pi_state_cache = NULL; - +#endif /* * sigaltstack should be cleared when sharing the same VM */ -- cgit v1.2.3-55-g7522