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: Andrew Murray <amurray@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -38,11 +38,12 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size,
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void *ret, *ret_nocache;
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void *ret, *ret_nocache;
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int order = get_order(size);
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int order = get_order(size);
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gfp |= __GFP_ZERO;
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ret = (void *)__get_free_pages(gfp, order);
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ret = (void *)__get_free_pages(gfp, order);
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if (!ret)
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if (!ret)
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return NULL;
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return NULL;
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memset(ret, 0, size);
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/*
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/*
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* Pages from the page allocator may have data present in
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* Pages from the page allocator may have data present in
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* cache. So flush the cache before using uncached memory.
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* cache. So flush the cache before using uncached memory.
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