From: Oleg Nesterov <oleg@redhat.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Roland McGrath <roland@hack.frob.com>,
Andreas Schwab <schwab@suse.com>,
William Preston <wpreston@suse.com>
Subject: Re: [PATCH v2] kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd
Date: Wed, 24 Aug 2016 17:32:00 +0200 [thread overview]
Message-ID: <20160824153159.GA25033@redhat.com> (raw)
In-Reply-To: <20160824081023.GE31179@dhcp22.suse.cz>
On 08/24, Michal Hocko wrote:
>
> 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>
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WARNING: multiple messages have this Message-ID (diff)
From: Oleg Nesterov <oleg@redhat.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Roland McGrath <roland@hack.frob.com>,
Andreas Schwab <schwab@suse.com>,
William Preston <wpreston@suse.com>
Subject: Re: [PATCH v2] kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd
Date: Wed, 24 Aug 2016 17:32:00 +0200 [thread overview]
Message-ID: <20160824153159.GA25033@redhat.com> (raw)
In-Reply-To: <20160824081023.GE31179@dhcp22.suse.cz>
On 08/24, Michal Hocko wrote:
>
> 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>
next prev parent reply other threads:[~2016-08-24 15:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-23 16:12 [PATCH v2] kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd Michal Hocko
2016-08-23 16:12 ` Michal Hocko
2016-08-23 16:32 ` Oleg Nesterov
2016-08-23 16:32 ` Oleg Nesterov
2016-08-24 8:10 ` Michal Hocko
2016-08-24 8:10 ` Michal Hocko
2016-08-24 15:32 ` Oleg Nesterov [this message]
2016-08-24 15:32 ` Oleg Nesterov
2016-08-24 15:37 ` Michal Hocko
2016-08-24 15:37 ` Michal Hocko
2016-08-31 6:42 ` Michal Hocko
2016-08-31 6:42 ` Michal Hocko
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