Commit 57682827 authored by Andrew Murray's avatar Andrew Murray Committed by Paul Mundt
Browse files

sh: Use __GFP_ZERO for dma_generic_alloc_coherent(). 



This follows the x86 change off of memset() and on to an unconditional
__GFP_ZERO for wrapping in to optimized page clearing by way of
clear_highpage().

Signed-off-by: default avatarAndrew Murray <amurray@mpc-data.co.uk>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 82b20d8b

arch/sh/mm/consistent.c

+2 −1
Original line number Diff line number Diff line
@@ -38,11 +38,12 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size, 
	void *ret, *ret_nocache;

	int order = get_order(size);



	gfp |= __GFP_ZERO;



	ret = (void *)__get_free_pages(gfp, order);

	if (!ret)

		return NULL;



	memset(ret, 0, size);

	/*

	 * Pages from the page allocator may have data present in

	 * cache. So flush the cache before using uncached memory.