From: Dave Hansen <haveblue@us.ibm.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC] pearing off zone from physical memory layout [0/10]
Date: Mon, 06 Feb 2006 11:27:43 -0800 [thread overview]
Message-ID: <1139254063.6189.97.camel@localhost.localdomain> (raw)
In-Reply-To: <43E307DB.3000903@jp.fujitsu.com>
On Fri, 2006-02-03 at 16:35 +0900, KAMEZAWA Hiroyuki wrote:
> This series of patches remove members from zone, which depends on physical
> memory layout, zone_start_pfn, spanned_pages, zone_mem_map against 2.6.16-rc1.
>
> By this, zone's meaning will be changed from "a range of memory to be used
> in a same manner" to "a group of memory to be used in a same manner".
This looks like pretty good stuff. I especially like that it gets rid
of that seqlock that I had to add for memory hotplug. My only concern
would be in the increased page_to_pfn() overhead. Any data on that?
-- Dave
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next prev parent reply other threads:[~2006-02-06 19:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-03 7:35 KAMEZAWA Hiroyuki
2006-02-03 16:47 ` Christoph Lameter
2006-02-03 17:02 ` Kamezawa Hiroyuki
2006-02-06 19:27 ` Dave Hansen [this message]
2006-02-06 23:59 ` KAMEZAWA Hiroyuki
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