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Commit aa99b16f authored by Glauber Costa's avatar Glauber Costa Committed by Ingo Molnar
Browse files

x86: remove kludge from x86_64 



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

Signed-off-by: default avatarGlauber Costa <gcosta@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 8f19ca13

arch/x86/kernel/pci-dma_64.c

+0 −4
Original line number Diff line number Diff line
@@ -68,10 +68,6 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, 
	/* Don't invoke OOM killer */

	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

	   larger than 16MB and in this case we have a chance of

	   finding fitting memory in the next higher zone first. If