From: Minchan Kim <minchan.kim@gmail.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
David Rientjes <rientjes@google.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Rik van Riel <riel@redhat.com>, Oleg Nesterov <oleg@redhat.com>,
linux-mm <linux-mm@kvack.org>, Andrey Vagin <avagin@openvz.org>,
Hugh Dickins <hughd@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Nick Piggin <npiggin@kernel.dk>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH 1/5] vmscan: remove all_unreclaimable check from direct reclaim path completely
Date: Thu, 24 Mar 2011 16:41:25 +0900 [thread overview]
Message-ID: <AANLkTimPKEODvp3MmYmFrmEYSbAPr1b4dTq6fDHWAEsD@mail.gmail.com> (raw)
In-Reply-To: <AANLkTimafdn8wPD7Zu3tK4PLgik=-0MeE62nGxq7ks4N@mail.gmail.com>
On Thu, Mar 24, 2011 at 4:34 PM, Minchan Kim <minchan.kim@gmail.com> wrote:
> On Thu, Mar 24, 2011 at 4:28 PM, KOSAKI Motohiro
> <kosaki.motohiro@jp.fujitsu.com> wrote:
>>> For example, In 4G desktop system.
>>> 32M full scanning and fail to reclaim a page.
>>> It's under 1% coverage.
>>
>> ?? I'm sorry. I haven't catch it.
>> Where 32M come from?
>
> (1<<12) * 4K + (1<<11) + 4K + .. (1 << 0) + 4K in shrink_zones.
Stupid me.
Sorry. my calculation is totally wrong.
Your explanation was perfect
Okay. I don't have any objection to your solution.
--
Kind regards,
Minchan Kim
--
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/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2011-03-24 7:41 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110314232156.0c363813.akpm@linux-foundation.org>
[not found] ` <20110315153801.3526.A69D9226@jp.fujitsu.com>
2011-03-22 11:04 ` [patch 0/5] oom: a few anti fork bomb patches KOSAKI Motohiro
2011-03-22 11:05 ` [PATCH 1/5] vmscan: remove all_unreclaimable check from direct reclaim path completely KOSAKI Motohiro
2011-03-22 14:49 ` Minchan Kim
2011-03-23 5:21 ` KOSAKI Motohiro
2011-03-23 6:59 ` Minchan Kim
2011-03-23 7:13 ` KOSAKI Motohiro
2011-03-23 8:24 ` Minchan Kim
2011-03-23 8:44 ` KOSAKI Motohiro
2011-03-23 9:02 ` Minchan Kim
2011-03-24 2:11 ` KOSAKI Motohiro
2011-03-24 2:21 ` Andrew Morton
2011-03-24 2:48 ` KOSAKI Motohiro
2011-03-24 3:04 ` Andrew Morton
2011-03-24 5:35 ` KOSAKI Motohiro
2011-03-24 4:19 ` Minchan Kim
2011-03-24 5:35 ` KOSAKI Motohiro
2011-03-24 5:53 ` Minchan Kim
2011-03-24 6:16 ` KOSAKI Motohiro
2011-03-24 6:32 ` Minchan Kim
2011-03-24 7:03 ` KOSAKI Motohiro
2011-03-24 7:25 ` Minchan Kim
2011-03-24 7:28 ` KOSAKI Motohiro
2011-03-24 7:34 ` Minchan Kim
2011-03-24 7:41 ` Minchan Kim [this message]
2011-03-24 7:43 ` KOSAKI Motohiro
2011-03-24 7:43 ` Minchan Kim
2011-03-23 7:41 ` KAMEZAWA Hiroyuki
2011-03-23 7:55 ` KOSAKI Motohiro
2011-03-22 11:06 ` [PATCH 2/5] Revert "oom: give the dying task a higher priority" KOSAKI Motohiro
2011-03-23 7:42 ` KAMEZAWA Hiroyuki
2011-03-23 13:40 ` Luis Claudio R. Goncalves
2011-03-24 0:06 ` KOSAKI Motohiro
2011-03-24 15:27 ` Minchan Kim
2011-03-28 9:48 ` KOSAKI Motohiro
2011-03-28 12:28 ` Minchan Kim
2011-03-28 9:51 ` Peter Zijlstra
2011-03-28 12:21 ` Minchan Kim
2011-03-28 12:28 ` Peter Zijlstra
2011-03-28 12:40 ` Minchan Kim
2011-03-28 13:10 ` Luis Claudio R. Goncalves
2011-03-28 13:18 ` Peter Zijlstra
2011-03-28 13:56 ` Luis Claudio R. Goncalves
2011-03-29 2:46 ` KOSAKI Motohiro
2011-03-28 13:48 ` Minchan Kim
2011-03-22 11:08 ` [PATCH 3/5] oom: create oom autogroup KOSAKI Motohiro
2011-03-22 23:21 ` Minchan Kim
2011-03-23 1:27 ` KOSAKI Motohiro
2011-03-23 2:41 ` Mike Galbraith
2011-03-22 11:08 ` [PATCH 4/5] mm: introduce wait_on_page_locked_killable KOSAKI Motohiro
2011-03-23 7:44 ` KAMEZAWA Hiroyuki
2011-03-24 15:04 ` Minchan Kim
2011-03-22 11:09 ` [PATCH 5/5] x86,mm: make pagefault killable KOSAKI Motohiro
2011-03-23 7:49 ` KAMEZAWA Hiroyuki
2011-03-23 8:09 ` KOSAKI Motohiro
2011-03-23 14:34 ` Linus Torvalds
2011-03-24 15:10 ` Minchan Kim
2011-03-24 17:13 ` Oleg Nesterov
2011-03-24 17:34 ` Linus Torvalds
2011-03-28 7:00 ` KOSAKI Motohiro
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=AANLkTimPKEODvp3MmYmFrmEYSbAPr1b4dTq6fDHWAEsD@mail.gmail.com \
--to=minchan.kim@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=avagin@openvz.org \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=npiggin@kernel.dk \
--cc=oleg@redhat.com \
--cc=riel@redhat.com \
--cc=rientjes@google.com \
--cc=torvalds@linux-foundation.org \
/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;
as well as URLs for NNTP newsgroup(s).