From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Mon, 8 Sep 2008 09:53:50 +0000 (+0900)
Subject: swiotlb: add is_swiotlb_buffer helper function
X-Git-Tag: v2.6.28-rc1~712^2^4~53
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=640aebfe014554ced9c38d2564e38862e488d0eb;p=pandora-kernel.git

swiotlb: add is_swiotlb_buffer helper function

This adds is_swiotlb_buffer() helper function to see whether a buffer
belongs to the swiotlb buffer or not.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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