From: Ralf Baechle <ralf@linux-mips.org>
To: Izik Eidus <ieidus@redhat.com>
Cc: akpm@linux-foundation.org, hugh.dickins@tiscali.co.uk,
aarcange@redhat.com, chrisw@redhat.com, avi@redhat.com,
riel@redhat.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, nickpiggin@yahoo.com.au,
Michael Kerrisk <mtk.manpages@gmail.com>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Kyle McMartin <kyle@mcmartin.ca>, Helge Deller <deller@gmx.de>,
Chris Zankel <chris@zankel.net>
Subject: Re: [PATCH 03/10] ksm: define MADV_MERGEABLE and MADV_UNMERGEABLE
Date: Mon, 20 Jul 2009 16:44:30 +0100 [thread overview]
Message-ID: <20090720154430.GE16361@linux-mips.org> (raw)
In-Reply-To: <1247851850-4298-4-git-send-email-ieidus@redhat.com>
On Fri, Jul 17, 2009 at 08:30:43PM +0300, Izik Eidus wrote:
> From: Hugh Dickins <hugh.dickins@tiscali.co.uk>
>
> The out-of-tree KSM used ioctls on fds cloned from /dev/ksm to register
> a memory area for merging: we prefer now to use an madvise(2) interface.
>
> This patch just defines MADV_MERGEABLE (to tell KSM it may merge pages
> in this area found identical to pages in other mergeable areas) and
> MADV_UNMERGEABLE (to undo that).
>
> Most architectures use asm-generic, but alpha, mips, parisc, xtensa
> need their own definitions: included here for mmotm convenience, but
> we'll probably want to split this and feed pieces to arch maintainers.
I think it's ok to keep these patches combined as a single patch; we'd
normally want them to be applied either all or not at all anyway and if
that's all the arch dependencies KSM has then splitting really just
unnecessarily inflates the number of patches.
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Ralf
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next prev parent reply other threads:[~2009-07-20 15:44 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-17 17:30 [PATCH 00/10] ksm resend Izik Eidus
2009-07-17 17:30 ` [PATCH 01/10] ksm: add mmu_notifier set_pte_at_notify() Izik Eidus
2009-07-17 17:30 ` [PATCH 02/10] ksm: first tidy up madvise_vma() Izik Eidus
2009-07-17 17:30 ` [PATCH 03/10] ksm: define MADV_MERGEABLE and MADV_UNMERGEABLE Izik Eidus
2009-07-17 17:30 ` [PATCH 04/10] ksm: the mm interface to ksm Izik Eidus
2009-07-17 17:30 ` [PATCH 05/10] ksm: no debug in page_dup_rmap() Izik Eidus
2009-07-17 17:30 ` [PATCH 06/10] ksm: identify PageKsm pages Izik Eidus
2009-07-17 17:30 ` [PATCH 07/10] ksm: Kernel SamePage Merging Izik Eidus
2009-07-17 17:30 ` [PATCH 08/10] ksm: prevent mremap move poisoning Izik Eidus
2009-07-17 17:30 ` [PATCH 09/10] ksm: change copyright message Izik Eidus
2009-07-17 17:30 ` [PATCH 10/10] ksm: change ksm nice level to be 5 Izik Eidus
2009-07-19 13:50 ` Hugh Dickins
2009-07-20 4:50 ` Balbir Singh
2009-07-20 11:48 ` Izik Eidus
2009-07-20 12:14 ` Balbir Singh
2009-07-20 18:38 ` Rik van Riel
2009-07-19 13:49 ` [PATCH 09/10] ksm: change copyright message Hugh Dickins
2009-07-20 18:37 ` Rik van Riel
2009-07-20 18:37 ` [PATCH 08/10] ksm: prevent mremap move poisoning Rik van Riel
2009-07-20 18:35 ` [PATCH 07/10] ksm: Kernel SamePage Merging Rik van Riel
2009-07-18 2:45 ` [PATCH 06/10] ksm: identify PageKsm pages Wu Fengguang
2009-07-20 18:32 ` Rik van Riel
2009-07-21 17:51 ` Andrea Arcangeli
2009-07-21 17:55 ` Rik van Riel
2009-07-21 18:01 ` Andrea Arcangeli
2009-07-21 18:17 ` Izik Eidus
2009-07-22 12:54 ` Hugh Dickins
2009-07-23 2:06 ` KAMEZAWA Hiroyuki
2009-07-23 11:43 ` Hugh Dickins
2009-07-23 11:49 ` Lee Schermerhorn
2009-07-22 12:45 ` Hugh Dickins
2009-07-22 16:52 ` Andrea Arcangeli
2009-07-23 11:36 ` Hugh Dickins
2009-07-20 18:11 ` [PATCH 05/10] ksm: no debug in page_dup_rmap() Rik van Riel
2009-07-21 7:16 ` Nick Piggin
2009-07-20 17:38 ` [PATCH 04/10] ksm: the mm interface to ksm Rik van Riel
2009-07-20 15:09 ` [PATCH 03/10] ksm: define MADV_MERGEABLE and MADV_UNMERGEABLE Rik van Riel
2009-07-20 15:44 ` Ralf Baechle [this message]
2009-07-20 15:05 ` [PATCH 02/10] ksm: first tidy up madvise_vma() Rik van Riel
2009-07-20 14:48 ` [PATCH 01/10] ksm: add mmu_notifier set_pte_at_notify() Rik van Riel
2009-07-21 17:59 ` [PATCH 00/10] ksm resend Andrea Arcangeli
2009-07-22 13:05 ` Hugh Dickins
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