From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Bob Liu <bob.liu@oracle.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
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: Sat, 03 Aug 2013 17:22:11 -0400 [thread overview]
Message-ID: <51FD7483.5060504@gmail.com> (raw)
In-Reply-To: <51F9E265.7030503@oracle.com>
(8/1/13 12:21 AM), Bob Liu wrote:
> 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.
Just because I misunderstood the patch has already been merged. OK, I'll
resend this.
--
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:[~2013-08-03 21:22 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 4:58 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
2013-08-03 21:22 ` KOSAKI Motohiro [this message]
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=51FD7483.5060504@gmail.com \
--to=kosaki.motohiro@gmail.com \
--cc=bob.liu@oracle.com \
--cc=cl@linux.com \
--cc=cldu@marvell.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox