From: Mikulas Patocka <mpatocka@redhat.com>
Date: Sun, 29 May 2011 12:03:07 +0000 (+0100)
Subject: dm kcopyd: alloc pages from the main page allocator
X-Git-Tag: v3.0-rc1~9^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d04714580f12379fcf7a0f799e86c92b96dd4e1f;p=pandora-kernel.git

dm kcopyd: alloc pages from the main page allocator

This patch changes dm-kcopyd so that it allocates pages from the main
page allocator with __GFP_NOWARN | __GFP_NORETRY flags (so that it can
fail in case of memory pressure). If the allocation fails, dm-kcopyd
allocates pages from its own reserve.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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