Re: [PATCH v2] kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd
From: Michal Hocko <mhocko@kernel.org>
Date: 2016-08-24 15:37:34
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exec & binfmt api, elf, memory management - core, scheduler, the rest · Maintainers:
Kees Cook, Andrew Morton, David Hildenbrand, Ingo Molnar, Peter Zijlstra, Juri Lelli, Vincent Guittot, Linus Torvalds
On Wed 24-08-16 17:32:00, Oleg Nesterov wrote:
On 08/24, Michal Hocko wrote:quoted
Sounds better?diff --git a/kernel/fork.c b/kernel/fork.c index b89f0eb99f0a..ddde5849df81 100644 --- a/kernel/fork.c +++ b/kernel/fork.c@@ -914,7 +914,8 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm) /* * Signal userspace if we're not exiting with a core dump - * or a killed vfork parent which shouldn't touch this mm. + * because we want to leave the value intact for debugging + * purposes. */ if (tsk->clear_child_tid) { if (!(tsk->signal->flags & SIGNAL_GROUP_COREDUMP) &&Yes, thanks Michal! Acked-by: Oleg Nesterov <oleg@redhat.com>
OK, thanks. ---