From 95dc400b2616a83ef7f3d4df8dde299c177e9236 Mon Sep 17 00:00:00 2001
From: Alasdair G Kergon <agk@redhat.com>
Date: Fri, 27 Jul 2012 15:07:57 +0100
Subject: [PATCH] dm thin: reduce endio_hook pool size

commit 7768ed33ccdc02801c4483fc5682dc66ace14aea upstream.

Reduce the slab size used for the dm_thin_endio_hook mempool.

Allocation has been seen to fail on machines with smaller amounts
of memory due to fragmentation.

  lvm: page allocation failure. order:5, mode:0xd0
  device-mapper: table: 253:38: thin-pool: Error creating pool's endio_hook mempool

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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Reading git-format-patch failed