From 399154be2dcb6a58dbde9682162c38113cf3e40b Mon Sep 17 00:00:00 2001
From: Matthew Wilcox <matthew@wil.cx>
Date: Mon, 3 Dec 2007 12:10:24 -0500
Subject: [PATCH] dmapool: Validate parameters to dma_pool_create

Check that 'align' is a power of two, like the API specifies.
Align 'size' to 'align' correctly -- the current code has an off-by-one.
The ALIGN macro in kernel.h doesn't.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
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