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From: Yinghai Lu <yinghai@kernel.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Robin Holt <holt@sgi.com>, Jack Steiner <steiner@sgi.com>,
	Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
	x86@kernel.org, Linus Torvalds <torvalds@linux-foundation.org>,
	Joerg Roedel <joerg.roedel@amd.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Stable Maintainers <stable@kernel.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [Patch] numa:x86_64: Cacheline aliasing makes for_each_populated_zone extremely expensive -V2.
Date: Wed, 25 Aug 2010 14:49:25 -0700	[thread overview]
Message-ID: <4C758FE5.8050905@kernel.org> (raw)
In-Reply-To: <4C756768.2060903@zytor.com>

On 08/25/2010 11:56 AM, H. Peter Anvin wrote:
> On 08/25/2010 04:08 AM, Robin Holt wrote:
>>> So yes, this means adding an interface to the e820 allocator, even
>>> though it's scheduled to be replaced.  Because the new implementation
>>> will see the new interface and know they have to implement it, and the
>>> interface will make it clear just what exactly is expected of the
>>> implementation.
>>
>> What is the new allocator called?  Who is developing it?  When do you
>> expect it to be introduced into the kernel?
>>
> 
> memblock -- the core is already in the kernel and used by several
> non-x86 architectures, and so we want to switch x86 to use it, as well.
> 
> Ben Herrenschmidt and Yinghai Lu are driving this one.
> 
> As with anything in Linux it will get integrated when it is ready.  It
> would be nice if it was ready for .37, but it's not certain.

i put latest version against current tip/master in

git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-2.6-yinghai.git memblock

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-2.6-yinghai.git;a=shortlog;h=refs/heads/memblock

Thanks

Yinghai

      reply	other threads:[~2010-08-25 21:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-18 16:56 [Patch] numa:x86_64: Cacheline aliasing makes for_each_populated_zone extremely expensive Robin Holt
2010-08-18 18:30 ` [Patch] numa:x86_64: Cacheline aliasing makes for_each_populated_zone extremely expensive -V2 Robin Holt
2010-08-19 17:30   ` Roedel, Joerg
2010-08-19 20:42     ` Robin Holt
2010-08-19 22:02       ` Robin Holt
2010-08-19 22:54   ` H. Peter Anvin
2010-08-20 13:58     ` Robin Holt
2010-08-20 15:03       ` Robin Holt
2010-08-20 16:16         ` H. Peter Anvin
2010-08-21 13:07           ` Robin Holt
2010-08-23 21:42             ` H. Peter Anvin
2010-08-25 11:08               ` Robin Holt
2010-08-25 18:56                 ` H. Peter Anvin
2010-08-25 21:49                   ` Yinghai Lu [this message]

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