linux-kernel - Re: [PATCH 0/7] ksm: responses to NUMA review

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Message-ID: <5126E987.7020809@gmail.com>
Date:	Fri, 22 Feb 2013 11:44:07 +0800
From:	Ric Mason <ric.masonn@...il.com>
To:	Hugh Dickins <hughd@...gle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	Petr Holasek <pholasek@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Izik Eidus <izik.eidus@...ellosystems.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 0/7] ksm: responses to NUMA review

On 02/21/2013 04:17 PM, Hugh Dickins wrote:
> Here's a second KSM series, based on mmotm 2013-02-19-17-20: partly in
> response to Mel's review feedback, partly fixes to issues that I found
> myself in doing more review and testing.  None of the issues fixed are
> truly show-stoppers, though I would prefer them fixed sooner than later.

Do you have any ideas ksm support page cache and tmpfs?

>
> 1 ksm: add some comments
> 2 ksm: treat unstable nid like in stable tree
> 3 ksm: shrink 32-bit rmap_item back to 32 bytes
> 4 mm,ksm: FOLL_MIGRATION do migration_entry_wait
> 5 mm,ksm: swapoff might need to copy
> 6 mm: cleanup "swapcache" in do_swap_page
> 7 ksm: allocate roots when needed
>
>   Documentation/vm/ksm.txt |   16 +++-
>   include/linux/mm.h       |    1
>   mm/ksm.c                 |  137 +++++++++++++++++++++++--------------
>   mm/memory.c              |   38 +++++++---
>   mm/swapfile.c            |   15 +++-
>   5 files changed, 140 insertions(+), 67 deletions(-)
>
> Thanks,
> Hugh
>
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