From: Christoph Lameter <clameter@engr.sgi.com>
Date: Wed, 22 Mar 2006 08:08:22 +0000 (-0800)
Subject: [PATCH] zone_reclaim: additional comments and cleanup
X-Git-Tag: v2.6.17-rc1~1129^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fb2d46d396b2491818f8e43b01049b3234e6c07;p=pandora-kernel.git

[PATCH] zone_reclaim: additional comments and cleanup

Add some comments to explain how zone reclaim works.  And it fixes the
following issues:

- PF_SWAPWRITE needs to be set for RECLAIM_SWAP to be able to write
  out pages to swap. Currently RECLAIM_SWAP may not do that.

- remove setting nr_reclaimed pages after slab reclaim since the slab shrinking
  code does not use that and the nr_reclaimed pages is just right for the
  intended follow up action.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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