Move the detailed gfp_t setup from __dma_direct_alloc_pages into the caller to clean things up a little.
Signed-off-by: Christoph Hellwig hch@lst.de --- kernel/dma/direct.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index 8da9a62dd9a72c..01120510968fa1 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -108,7 +108,7 @@ static inline bool dma_should_free_from_pool(struct device *dev, }
static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size, - gfp_t gfp, unsigned long attrs) + gfp_t gfp) { int node = dev_to_node(dev); struct page *page = NULL; @@ -116,11 +116,6 @@ static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,
WARN_ON_ONCE(!PAGE_ALIGNED(size));
- if (attrs & DMA_ATTR_NO_WARN) - gfp |= __GFP_NOWARN; - - /* we always manually zero the memory once we are done: */ - gfp &= ~__GFP_ZERO; gfp |= dma_direct_optimal_gfp_mask(dev, dev->coherent_dma_mask, &phys_limit); page = dma_alloc_contiguous(dev, size, gfp); @@ -164,6 +159,8 @@ void *dma_direct_alloc(struct device *dev, size_t size, return arch_dma_alloc(dev, size, dma_handle, gfp, attrs);
size = PAGE_ALIGN(size); + if (attrs & DMA_ATTR_NO_WARN) + gfp |= __GFP_NOWARN;
if (dma_should_alloc_from_pool(dev, gfp, attrs)) { ret = dma_alloc_from_pool(dev, size, &page, gfp); @@ -172,7 +169,8 @@ void *dma_direct_alloc(struct device *dev, size_t size, goto done; }
- page = __dma_direct_alloc_pages(dev, size, gfp, attrs); + /* we always manually zero the memory once we are done */ + page = __dma_direct_alloc_pages(dev, size, gfp & ~__GFP_ZERO); if (!page) return NULL;