From: Bob Liu <bob.liu@oracle.com>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Lisa Du <cldu@marvell.com>, Christoph Lameter <cl@linux.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Mel Gorman <mel@csn.ul.ie>, Bob Liu <lliubbo@gmail.com>
Subject: Re: Possible deadloop in direct reclaim?
Date: Thu, 01 Aug 2013 12:21:57 +0800 [thread overview]
Message-ID: <51F9E265.7030503@oracle.com> (raw)
In-Reply-To: <51F9CBC0.2020006@gmail.com>
Hi KOSAKI,
On 08/01/2013 10:45 AM, KOSAKI Motohiro wrote:
>
> Please read more older code. Your pointed code is temporary change and I
> changed back for fixing
> bugs.
> If you look at the status in middle direct reclaim, we can't avoid race
> condition from multi direct
> reclaim issues. Moreover, if kswapd doesn't awaken, it is a problem.
> This is a reason why current code
> behave as you described.
> I agree we should fix your issue as far as possible. But I can't agree
> your analysis.
>
I found this thread:
mm, vmscan: fix do_try_to_free_pages() livelock
https://lkml.org/lkml/2012/6/14/74
I think that's the same issue Lisa met.
But I didn't find out why your patch didn't get merged?
There were already many acks.
--
Regards,
-Bob
--
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:[~2013-08-01 4:22 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 4:58 Possible deadloop in direct reclaim? Lisa Du
2013-07-23 20:28 ` Christoph Lameter
2013-07-24 1:21 ` Lisa Du
2013-07-25 18:19 ` KOSAKI Motohiro
2013-07-26 1:11 ` Lisa Du
2013-07-29 16:44 ` KOSAKI Motohiro
2013-07-30 1:27 ` Lisa Du
2013-08-01 2:24 ` Lisa Du
2013-08-01 2:45 ` KOSAKI Motohiro
2013-08-01 4:21 ` Bob Liu [this message]
2013-08-03 21:22 ` KOSAKI Motohiro
2013-08-04 23:50 ` Minchan Kim
2013-08-01 5:19 ` Lisa Du
2013-08-01 8:56 ` Russell King - ARM Linux
2013-08-02 1:18 ` Lisa Du
2013-07-29 1:32 ` Lisa Du
2013-07-24 1:18 ` Bob Liu
2013-07-24 1:31 ` Lisa Du
2013-07-24 2:23 ` Lisa Du
2013-07-24 3:38 ` Bob Liu
2013-07-24 5:58 ` Lisa Du
2013-07-25 18:14 ` KOSAKI Motohiro
2013-07-26 1:22 ` Bob Liu
2013-07-29 16:46 ` KOSAKI Motohiro
2013-08-01 5:43 ` Minchan Kim
2013-08-01 6:13 ` Lisa Du
2013-08-01 7:33 ` Minchan Kim
2013-08-01 8:20 ` Lisa Du
2013-08-01 8:42 ` Minchan Kim
2013-08-02 1:03 ` Lisa Du
2013-08-02 2:26 ` Minchan Kim
2013-08-02 2:33 ` Minchan Kim
2013-08-02 3:17 ` Lisa Du
2013-08-02 3:53 ` Minchan Kim
2013-08-02 8:08 ` Lisa Du
2013-08-04 23:47 ` Minchan Kim
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=51F9E265.7030503@oracle.com \
--to=bob.liu@oracle.com \
--cc=cl@linux.com \
--cc=cldu@marvell.com \
--cc=kosaki.motohiro@gmail.com \
--cc=linux-mm@kvack.org \
--cc=lliubbo@gmail.com \
--cc=mel@csn.ul.ie \
/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.