From: Vivek Goyal <vgoyal@redhat.com>
To: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
Cc: dzickus@redhat.com, oomichi@mxs.nes.nec.co.jp,
kumagai-atsushi@mxc.nes.nec.co.jp, kexec@lists.infradead.org
Subject: Re: makedumpfile memory usage grows with system memory size
Date: Mon, 9 Apr 2012 15:00:10 -0400 [thread overview]
Message-ID: <20120409190010.GI1645@redhat.com> (raw)
In-Reply-To: <20120406.101212.193682065.d.hatayama@jp.fujitsu.com>
On Fri, Apr 06, 2012 at 10:12:12AM +0900, HATAYAMA Daisuke wrote:
[..]
> So now we can walk on the memmap array also for free pages like other
> kinds of memory. The question I have now is why the current
> implementation was chosen. Is there any difference between two ways?
I don't know but I am guessing may be going through buddy allocator
data structures is faster when there is tons of memory in the system and
number of free pages is less.
Thanks
Vivek
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next prev parent reply other threads:[~2012-04-09 19:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-28 21:22 makedumpfile memory usage grows with system memory size Don Zickus
2012-03-29 8:09 ` Ken'ichi Ohmichi
2012-03-29 12:56 ` HATAYAMA Daisuke
2012-03-29 13:25 ` Don Zickus
2012-03-30 0:51 ` HATAYAMA Daisuke
2012-04-02 7:46 ` Atsushi Kumagai
2012-04-05 6:52 ` HATAYAMA Daisuke
2012-04-05 14:34 ` Vivek Goyal
2012-04-06 1:12 ` HATAYAMA Daisuke
2012-04-06 8:59 ` Atsushi Kumagai
2012-04-06 9:29 ` HATAYAMA Daisuke
2012-04-09 18:57 ` Vivek Goyal
2012-04-09 23:58 ` HATAYAMA Daisuke
2012-04-10 12:52 ` Vivek Goyal
2012-04-12 3:40 ` Atsushi Kumagai
2012-04-12 7:47 ` HATAYAMA Daisuke
[not found] ` <20120427164649.9932a33f.kumagai-atsushi@mxc.nes.nec.co.jp>
2012-04-27 12:52 ` Don Zickus
2012-05-11 1:19 ` Atsushi Kumagai
2012-05-11 13:26 ` Don Zickus
2012-05-15 5:57 ` Atsushi Kumagai
2012-05-15 12:35 ` Don Zickus
2012-04-27 13:33 ` Vivek Goyal
2012-05-14 5:44 ` HATAYAMA Daisuke
2012-05-16 8:02 ` Atsushi Kumagai
2012-05-17 0:21 ` HATAYAMA Daisuke
2012-04-09 19:00 ` Vivek Goyal [this message]
2012-03-29 13:05 ` Don Zickus
2012-03-30 9:43 ` Atsushi Kumagai
2012-03-30 13:19 ` Don Zickus
2012-04-02 17:15 ` Michael Holzheu
2012-04-06 8:09 ` Atsushi Kumagai
2012-04-11 8:04 ` Michael Holzheu
2012-04-12 8:49 ` Atsushi Kumagai
-- strict thread matches above, loose matches on Subject: below --
2012-04-02 6:53 tachibana
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