From: Christoph Lameter <clameter@sgi.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
kamezawa.hiroyu@jp.fujitsu.com
Subject: Re: [PATCH 0/7] Memory Compaction v2
Date: Mon, 18 Jun 2007 10:24:45 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0706181022530.4751@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20070618092821.7790.52015.sendpatchset@skynet.skynet.ie>
On Mon, 18 Jun 2007, Mel Gorman wrote:
> The patchset implements memory compaction for the page allocator reducing
> external fragmentation so that free memory exists as fewer, but larger
> contiguous blocks. Instead of being a full defragmentation solution,
> this focuses exclusively on pages that are movable via the page migration
> mechanism.
We need an additional facility at some point that allows the moving of
pages that are not on the LRU. Such support seems to be possible
for page table pages and slab pages.
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next prev parent reply other threads:[~2007-06-18 17:24 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-18 9:28 Mel Gorman
2007-06-18 9:28 ` [PATCH 1/7] KAMEZAWA Hiroyuki hot-remove patches Mel Gorman
2007-06-18 16:56 ` Christoph Lameter
2007-06-19 15:52 ` Mel Gorman
2007-06-18 9:29 ` [PATCH 2/7] Allow CONFIG_MIGRATION to be set without CONFIG_NUMA Mel Gorman
2007-06-18 17:04 ` Christoph Lameter
2007-06-19 15:59 ` Mel Gorman
2007-06-18 9:29 ` [PATCH 3/7] Introduce isolate_lru_page_nolock() as a lockless version of isolate_lru_page() Mel Gorman
2007-06-18 17:05 ` Christoph Lameter
2007-06-18 9:29 ` [PATCH 4/7] Provide metrics on the extent of fragmentation in zones Mel Gorman
2007-06-18 17:07 ` Christoph Lameter
2007-06-18 9:30 ` [PATCH 5/7] Introduce a means of compacting memory within a zone Mel Gorman
2007-06-18 17:18 ` Christoph Lameter
2007-06-19 16:36 ` Mel Gorman
2007-06-19 19:20 ` Christoph Lameter
2007-06-19 12:54 ` Yasunori Goto
2007-06-19 16:49 ` Mel Gorman
2007-06-18 9:30 ` [PATCH 6/7] Add /proc/sys/vm/compact_node for the explicit compaction of a node Mel Gorman
2007-06-18 9:30 ` [PATCH 7/7] Compact memory directly by a process when a high-order allocation fails Mel Gorman
2007-06-18 17:22 ` Christoph Lameter
2007-06-19 16:50 ` Mel Gorman
2007-06-21 12:28 ` Andrew Morton
2007-06-21 13:26 ` Mel Gorman
2007-06-18 17:24 ` Christoph Lameter [this message]
2007-06-19 16:58 ` [PATCH 0/7] Memory Compaction v2 Mel Gorman
2007-06-19 19:22 ` Christoph Lameter
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