From: Nick Piggin <npiggin@suse.de>
To: mark gross <mgross@linux.intel.com>
Cc: Minchan Kim <minchan.kim@gmail.com>,
linux-mm@kvack.org, Christoph Lameter <cl@linux-foundation.org>
Subject: Re: possible bug in find_get_pages
Date: Tue, 10 Mar 2009 11:45:52 +0100 [thread overview]
Message-ID: <20090310104552.GA4594@wotan.suse.de> (raw)
In-Reply-To: <20090309164316.GB31140@linux.intel.com>
On Mon, Mar 09, 2009 at 09:43:16AM -0700, mark gross wrote:
> On Sat, Mar 07, 2009 at 08:47:32AM +0900, Minchan Kim wrote:
> > Nick already found and solved this problem .
> > It can help you.
> >
> > http://patchwork.kernel.org/patch/860/
> >
>
> Wow, this reads just like the problem we are seeing. I'll try the
> patch and let the test run for a few days!
>
> We've even see it come out of the live lock once in a while as well. I
> was thinking cache coherency HW issue until this :)
>
> I'll send an update after running the test.
Note that after some discussion, the accepted fix looks a bit
different (and might potentially fix another problem if the compiler
gets very smart, although gcc doesn't seem to).
Git commit e8c82c2e23e3527e0c9dc195e432c16784d270fa
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2009-03-10 10:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-06 19:26 possible bug in find_get_pages mark gross
2009-03-06 19:28 ` Christoph Lameter
2009-03-06 21:13 ` mark gross
2009-03-06 21:29 ` Christoph Lameter
2009-03-10 10:49 ` Nick Piggin
2009-03-06 23:47 ` Minchan Kim
2009-03-09 16:43 ` mark gross
2009-03-10 10:45 ` Nick Piggin [this message]
2009-03-10 22:49 ` mark gross
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090310104552.GA4594@wotan.suse.de \
--to=npiggin@suse.de \
--cc=cl@linux-foundation.org \
--cc=linux-mm@kvack.org \
--cc=mgross@linux.intel.com \
--cc=minchan.kim@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.