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Message-Id: <1450741676-5865-27-git-send-email-viro@ZenIV.linux.org.uk> Date: Mon, 21 Dec 2015 23:47:00 +0000 From: Al Viro <viro@...IV.linux.org.uk> To: linux-kernel@...r.kernel.org Cc: Linus Torvalds <torvalds@...ux-foundation.org> Subject: [POC][PATCH 27/83] new helper: get_dma_pages() From: Al Viro <viro@...iv.linux.org.uk> same as __get_dma_pages(), except that it returns a pointer Signed-off-by: Al Viro <viro@...iv.linux.org.uk> --- include/linux/gfp.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index f4304c1..07b714d 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -486,6 +486,9 @@ void * __meminit alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask); #define __get_dma_pages(gfp_mask, order) \ __get_free_pages((gfp_mask) | GFP_DMA, (order)) +#define get_dma_pages(gfp_mask, order) \ + ((void *)__get_free_pages((gfp_mask) | GFP_DMA, (order))) + extern void __free_pages(struct page *page, unsigned int order); extern void free_pages(const void *addr, unsigned int order); extern void free_hot_cold_page(struct page *page, bool cold); -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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