linux-kernel - [PATCH 23/28] x86: don't try to allocate from DMA zone at first

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Date:	Tue,  8 Apr 2008 13:21:05 -0300
From:	Glauber Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, glommer@...il.com, mingo@...e.hu,
	tglx@...utronix.de, kvm-devel@...ts.sourceforge.net,
	amit.shah@...ranet.com, avi@...ranet.com,
	Glauber Costa <gcosta@...hat.com>
Subject: [PATCH 23/28] x86: don't try to allocate from DMA zone at first

If we fail, we'll loop into the allocation again,
and then allocate in the DMA zone.

Signed-off-by: Glauber Costa <gcosta@...hat.com>
---
 arch/x86/kernel/pci-dma_32.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/pci-dma_32.c b/arch/x86/kernel/pci-dma_32.c
index 0e9ec11..11f100a 100644
--- a/arch/x86/kernel/pci-dma_32.c
+++ b/arch/x86/kernel/pci-dma_32.c
@@ -84,9 +84,6 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
 	if (dma_alloc_from_coherent_mem(dev, size, dma_handle, &ret))
 		return ret;
 
-	if (dev == NULL || (dev->coherent_dma_mask < 0xffffffff))
-		gfp |= GFP_DMA;
-
 	if (!dev)
 		dev = &fallback_dev;
 
-- 
1.5.0.6

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