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[PATCH] x86_64: Don't warn for overflow in nommu case when dma_mask is < 32bit
authorAndi Kleen <ak@suse.de>
Mon, 15 May 2006 16:19:38 +0000 (18:19 +0200)
committerLinus Torvalds <torvalds@g5.osdl.org>
Tue, 16 May 2006 14:59:31 +0000 (07:59 -0700)
This triggers for b44's 1GB DMA workaround which tries to map
first and then bounces.

The 32bit heuristic is reasonable because the IOMMU doesn't attempt
to handle < 32bit masks anyways.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

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