From: Dave Jones <davej@redhat.com>
To: Hillf Danton <dhillf@gmail.com>
Cc: Linux-MM <linux-mm@kvack.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: unused swap offset / bad page map.
Date: Wed, 21 Aug 2013 16:49:01 -0400 [thread overview]
Message-ID: <20130821204901.GA19802@redhat.com> (raw)
In-Reply-To: <CAJd=RBA-UZmSTxNX63Vni+UPZBHwP4tvzE_qp1ZaHBqcNG7Fcw@mail.gmail.com>
On Tue, Aug 20, 2013 at 12:39:05PM +0800, Hillf Danton wrote:
> On Tue, Aug 20, 2013 at 7:18 AM, Dave Jones <davej@redhat.com> wrote:
>
> --- a/mm/memory.c Wed Aug 7 16:29:34 2013
> +++ b/mm/memory.c Tue Aug 20 11:13:06 2013
> @@ -933,8 +933,10 @@ again:
> if (progress >= 32) {
> progress = 0;
> if (need_resched() ||
> - spin_needbreak(src_ptl) || spin_needbreak(dst_ptl))
> + spin_needbreak(src_ptl) || spin_needbreak(dst_ptl)) {
> + BUG_ON(entry.val);
> break;
> + }
> }
> if (pte_none(*src_pte)) {
> progress++;
didn't hit the bug_on, but got a bunch of
[ 424.077993] swap_free: Unused swap offset entry 000187d5
[ 439.377194] swap_free: Unused swap offset entry 000187e7
[ 441.998411] swap_free: Unused swap offset entry 000187ee
[ 446.956551] swap_free: Unused swap offset entry 0000245f
Dave
next prev parent reply other threads:[~2013-08-21 20:49 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-07 5:51 unused swap offset / bad page map Dave Jones
2013-08-07 10:04 ` Hillf Danton
2013-08-07 15:30 ` Dave Jones
2013-08-08 15:20 ` Hillf Danton
2013-08-08 15:36 ` Dave Jones
2013-08-19 23:18 ` Dave Jones
2013-08-20 4:39 ` Hillf Danton
2013-08-21 20:49 ` Dave Jones [this message]
2013-08-22 0:35 ` Hillf Danton
2013-08-22 3:21 ` Hillf Danton
2013-08-23 3:21 ` Dave Jones
[not found] ` <CAJd=RBArkh3sKVoOJUZBLngXtJubjx4-a3G6s7Tn0N=Pr1gU4g@mail.gmail.com>
2013-08-23 3:53 ` Dave Jones
2013-08-26 3:45 ` Hillf Danton
2013-08-26 19:08 ` Dave Jones
2013-08-26 20:15 ` Linus Torvalds
2013-08-26 20:46 ` Linus Torvalds
2013-08-26 22:08 ` Hugh Dickins
2013-08-26 22:28 ` Dave Jones
2013-08-27 8:37 ` Cyrill Gorcunov
2013-08-27 16:24 ` Dave Jones
2013-08-27 16:32 ` Cyrill Gorcunov
2013-08-26 23:15 ` Linus Torvalds
2013-08-27 5:44 ` Cyrill Gorcunov
2013-08-26 20:18 ` Cyrill Gorcunov
2013-08-26 20:37 ` Dave Jones
2013-08-26 20:42 ` Cyrill Gorcunov
2013-08-26 21:37 ` Cyrill Gorcunov
2013-08-26 21:42 ` Dave Jones
2013-08-26 21:49 ` Cyrill Gorcunov
2013-08-26 21:59 ` Dave Jones
2013-08-07 15:54 ` Dave Jones
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