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From: IWAMOTO Toshihiro <iwamoto@valinux.co.jp>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: Alok Mooley <rangdi@yahoo.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-mm <linux-mm@kvack.org>,
	"Martin J. Bligh" <mbligh@aracnet.com>
Subject: Re: Active Memory Defragmentation: Our implementation & problems
Date: Wed, 04 Feb 2004 15:57:16 +0900	[thread overview]
Message-ID: <20040204065717.EFB277049E@sv1.valinux.co.jp> (raw)
In-Reply-To: <1075874074.14153.159.camel@nighthawk>

At 03 Feb 2004 21:54:34 -0800,
Dave Hansen wrote:
> Moving file-backed pages is mostly handled already.  You can do a
> regular page-cache lookup with find_get_page(), make your copy,
> invalidate the old one, then readd the new one.  The invalidation can be
> done in the same style as shrink_list().

Actually, it is a bit more complicated.
I have implemented similar functionality for memory hotremoval.

See my post about memory hotremoval
http://marc.theaimsgroup.com/?l=linux-kernel&m=107354781130941&w=2
for details.
remap_onepage() and remapd() in the patch are the main functions.

--
IWAMOTO Toshihiro

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  parent reply	other threads:[~2004-02-04  6:57 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-03  4:46 Alok Mooley
2004-02-03 21:26 ` Dave Hansen
2004-02-03 22:26   ` Martin J. Bligh
2004-02-04  5:09   ` Alok Mooley
2004-02-04  5:24     ` Mike Fedyk
2004-02-04  5:54     ` Dave Hansen
2004-02-04  6:05       ` Martin J. Bligh
2004-02-04  6:22         ` Dave Hansen
2004-02-04  6:29           ` Martin J. Bligh
2004-02-04  6:40             ` Dave Hansen
2004-02-04  7:17               ` Martin J. Bligh
2004-02-04  8:30                 ` Andrew Morton
2004-02-04  6:53             ` Doubt about statm_pgd_range patch Arunkumar
2004-02-04  6:57       ` IWAMOTO Toshihiro [this message]
2004-02-04  7:10         ` Active Memory Defragmentation: Our implementation & problems Dave Hansen
2004-02-04  7:50           ` IWAMOTO Toshihiro
2004-02-04 10:33         ` Hirokazu Takahashi
2004-02-04 18:33       ` Alok Mooley
2004-02-04 18:46         ` Dave Hansen
2004-02-04 18:54           ` Alok Mooley
2004-02-04 19:07             ` Richard B. Johnson
2004-02-04 19:18               ` Alok Mooley
2004-02-04 19:33                 ` Richard B. Johnson
2004-02-05  5:07                   ` Alok Mooley
2004-02-05 19:03                   ` Pavel Machek
2004-02-04 19:35               ` Dave McCracken
2004-02-04 21:59                 ` Timothy Miller
2004-02-04 23:24                   ` Dave Hansen
2004-02-05 16:32                     ` Dave McCracken
2004-02-04 19:37               ` Timothy Miller
2004-02-04 19:43                 ` Dave Hansen
2004-02-04 19:59                 ` Richard B. Johnson
2004-02-04 19:56             ` Dave Hansen
2004-02-05  5:19               ` Alok Mooley
2004-02-04 20:12 Mark_H_Johnson

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