From: Dave Hansen <dave@linux.vnet.ibm.com>
To: akataria@vmware.com
Cc: Rik van Riel <riel@redhat.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
LKML <linux-kernel@vger.kernel.org>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
Mel Gorman <mel@csn.ul.ie>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH] Hugepages should be accounted as unevictable pages.
Date: Tue, 23 Jun 2009 15:15:52 -0700 [thread overview]
Message-ID: <1245795352.17685.31312.camel@nimitz> (raw)
In-Reply-To: <1245793331.24110.33.camel@alok-dev1>
On Tue, 2009-06-23 at 14:42 -0700, Alok Kataria wrote:
> One thing that i forgot to mention earlier is that, I just need a way to
> provide a hint about the total locked memory on the system and it
> doesn't need to be the exact number at that point in time.
>
> Lee, due to this reason lazy culling of unevictable pages is fine too.
>
> Hugepages, similar to mlocked pages, are special because the user could
> specify how much memory it wants to reserve for this purpose. So that
> needs to be taken into consideration i.e it cannot be calculated in some
> way.
Could you just teach the thing to which you are hinting that it also
needs to go look in sysfs for huge page counts? Or, is there a
requirement that it come out of a single meminfo field?
-- Dave
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next prev parent reply other threads:[~2009-06-23 22:15 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-22 21:25 [PATCH] Hugepages should be accounted as unevictable pages Alok Kataria
2009-06-23 3:25 ` KOSAKI Motohiro
2009-06-23 4:46 ` Alok Kataria
2009-06-23 5:05 ` KOSAKI Motohiro
2009-06-23 5:11 ` KAMEZAWA Hiroyuki
2009-06-23 5:54 ` Alok Kataria
2009-06-23 6:06 ` KAMEZAWA Hiroyuki
2009-06-23 19:28 ` Alok Kataria
2009-06-23 20:30 ` Lee Schermerhorn
2009-06-23 21:24 ` Rik van Riel
2009-06-23 21:42 ` Alok Kataria
2009-06-23 21:55 ` Rik van Riel
2009-06-23 22:06 ` Alok Kataria
2009-06-23 22:19 ` Dave Hansen
2009-06-23 22:55 ` Rik van Riel
2009-06-23 23:28 ` Alok Kataria
2009-06-23 23:48 ` Dave Hansen
2009-06-23 22:15 ` Dave Hansen [this message]
2009-06-23 22:23 ` Alok Kataria
2009-06-23 23:41 ` Dave Hansen
2009-06-24 0:08 ` Alok Kataria
2009-06-23 12:26 ` Lee Schermerhorn
2009-06-29 9:58 ` Mel Gorman
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