From 582e2e056a5c3410174c23f5134e6b00e0db9101 Mon Sep 17 00:00:00 2001
From: Jianpeng Ma <majianpeng@gmail.com>
Date: Thu, 11 Oct 2012 13:45:36 +1100
Subject: [PATCH] md/bitmap:Don't use IS_ERR to judge alloc_page().

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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Reading git-format-patch failed