lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20090720154430.GE16361@linux-mips.org>
Date:	Mon, 20 Jul 2009 16:44:30 +0100
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Izik Eidus <ieidus@...hat.com>
Cc:	akpm@...ux-foundation.org, hugh.dickins@...cali.co.uk,
	aarcange@...hat.com, chrisw@...hat.com, avi@...hat.com,
	riel@...hat.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	nickpiggin@...oo.com.au, Michael Kerrisk <mtk.manpages@...il.com>,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Kyle McMartin <kyle@...artin.ca>, Helge Deller <deller@....de>,
	Chris Zankel <chris@...kel.net>
Subject: Re: [PATCH 03/10] ksm: define MADV_MERGEABLE and MADV_UNMERGEABLE

On Fri, Jul 17, 2009 at 08:30:43PM +0300, Izik Eidus wrote:

> From: Hugh Dickins <hugh.dickins@...cali.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@...ux-mips.org>

  Ralf
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ