From: Markus Gutschke <markus@google.com>

While other platforms (including x86) have been fixed to mark memory as 
clobbered by _syscallX()'s, this bug has not yet been fixed for ARM. 
This patch adds the missing constraints and applies to version 2.6.15.6.

The bug can be tracked at http://bugzilla.kernel.org/show_bug.cgi?id=6205

Signed-off-by: Markus Gutschke <markus@google.com>

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