From: "Doug Smythies" <dsmythies@telus.net>
To: 'Hugh Dickins' <hughd@google.com>,
"'Kirill A. Shutemov'" <kirill@shutemov.name>
Cc: 'Andrew Morton' <akpm@linux-foundation.org>,
'Naoya Horiguchi' <n-horiguchi@ah.jp.nec.com>,
linux-mm@kvack.org
Subject: RE: ksmd lockup - kernel 4.11-rc series
Date: Thu, 6 Apr 2017 07:05:05 -0700 [thread overview]
Message-ID: <000801d2aede$cc414cd0$64c3e670$@net> (raw)
In-Reply-To: upRmczQN0LrIFupSgckp7c
Hi,
Thank you for your quick work on this.
On 2017.04.02 17:03 Hugh Dickins wrote:
> On Tue, 28 Mar 2017, Hugh Dickins wrote:
>> On Tue, 28 Mar 2017, Kirill A. Shutemov wrote:
>>> On Mon, Mar 27, 2017 at 04:16:00PM -0700, Doug Smythies wrote:
...[snip]...
> Worked out what it was yesterday, but my first patch failed overnight:
> I'd missed the placement of the next_pte label. It had a similar fix
> to mm/migrate.c in it, that hit me too in testing; but this morning I
> find Naoya's 4b0ece6fa016 in git, which fixes that.
I think I got that one sometimes also.
> Same issue here.
>
> [PATCH] mm: fix page_vma_mapped_walk() for ksm pages
... [snip] ...
To establish a baseline, I ran kernel 4.11-rc5 without this
patch for 24 hours. The failure occurred twice.
I have been running the exact same scenario with the patch
for 55 hours now without any issues.
Note: I stayed with version 1 of the patch, even though there
was a version 2 sent out on Monday.
... Doug
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next prev parent reply other threads:[~2017-04-06 14:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-27 23:16 ksmd lockup - kernel 4.11-rc series Doug Smythies
2017-03-27 23:36 ` Kirill A. Shutemov
2017-03-28 7:16 ` Hugh Dickins
2017-04-03 0:03 ` Hugh Dickins
2017-04-03 14:08 ` Kirill A. Shutemov
2017-04-03 18:08 ` Hugh Dickins
2017-04-03 19:37 ` Kirill A. Shutemov
2017-04-06 14:05 ` Doug Smythies [this message]
2017-04-06 18:33 ` Hugh Dickins
2017-03-28 6:05 ` Doug Smythies
2017-03-28 14:59 ` Doug Smythies
2017-03-28 15:39 ` Kirill A. Shutemov
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