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Bottomley" , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Ben Skeggs , Pawel Osciak , Marek Szyprowski , Matt Porter , iommu@lists.linux-foundation.org Subject: [PATCH 13/28] dma-direct: lift gfp_t manipulation out of__dma_direct_alloc_pages Date: Wed, 19 Aug 2020 08:55:40 +0200 Message-Id: <20200819065555.1802761-14-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200819065555.1802761-1-hch@lst.de> References: <20200819065555.1802761-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Cc: Tom Lendacky , alsa-devel@alsa-project.org, linux-samsung-soc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-scsi@vger.kernel.org, linux-parisc@vger.kernel.org, linux-doc@vger.kernel.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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 --- 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;