From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed, 1 Jun 2011 21:11:24 +0000 (+0900)
Subject: Revert "mm: fail GFP_DMA allocations when ZONE_DMA is not configured"
X-Git-Tag: v3.0-rc2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fa7b6a29c61358cc2ca6f64cef4aa0e1a7ca74c;p=pandora-kernel.git

Revert "mm: fail GFP_DMA allocations when ZONE_DMA is not configured"

This reverts commit a197b59ae6e8bee56fcef37ea2482dc08414e2ac.

As rmk says:
 "Commit a197b59ae6e8 (mm: fail GFP_DMA allocations when ZONE_DMA is not
  configured) is causing regressions on ARM with various drivers which
  use GFP_DMA.

  The behaviour up until now has been to silently ignore that flag when
  CONFIG_ZONE_DMA is not enabled, and to allocate from the normal zone.
  However, as a result of the above commit, such allocations now fail
  which causes drivers to fail.  These are regressions compared to the
  previous kernel version."

so just revert it.

Requested-by: Russell King <linux@arm.linux.org.uk>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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