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x86: remove kludge from x86_64

The claim is that i386 does it. Just it does not.
So remove it.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Glauber Costa %!s(int64=17) %!d(string=hai) anos
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8f19ca1341
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Modificáronse 1 ficheiros con 0 adicións e 4 borrados
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  1. 0 4
      arch/x86/kernel/pci-dma_64.c

+ 0 - 4
arch/x86/kernel/pci-dma_64.c
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@@ -68,10 +68,6 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
 
 	/* Don't invoke OOM killer */
 
 	/* Don't invoke OOM killer */
 
 	gfp |= __GFP_NORETRY;
 
 	gfp |= __GFP_NORETRY;
 
 
 
-	/* Kludge to make it bug-to-bug compatible with i386. i386
 
-	   uses the normal dma_mask for alloc_coherent. */
 
-	dma_mask &= *dev->dma_mask;
 
-
 
 	/* Why <=? Even when the mask is smaller than 4GB it is often
 
 	/* Why <=? Even when the mask is smaller than 4GB it is often
 
 	   larger than 16MB and in this case we have a chance of
 
 	   larger than 16MB and in this case we have a chance of
 
 	   finding fitting memory in the next higher zone first. If
 
 	   finding fitting memory in the next higher zone first. If