x86: Deinline dma_alloc_attrs()
Reduces kernel size by 68739 bytes on allyesconfig build: text data bss dec hex filename 82662736 22255384 20627456 125545576 77bac68 vmlinux0 82594029 22255352 20627456 125476837 77a9fe5 vmlinux1 Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Don Dutile <ddutile@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: x86@kernel.org Link: http://lkml.kernel.org/r/1428926075-28796-2-git-send-email-dvlasenk@redhat.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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c07e5a542e
Коммит
0c7965ff22
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@ -127,33 +127,9 @@ static inline gfp_t dma_alloc_coherent_gfp_flags(struct device *dev, gfp_t gfp)
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#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)
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static inline void *
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void *
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dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
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gfp_t gfp, struct dma_attrs *attrs)
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{
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struct dma_map_ops *ops = get_dma_ops(dev);
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void *memory;
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gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
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if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
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return memory;
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if (!dev)
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dev = &x86_dma_fallback_dev;
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if (!is_device_dma_capable(dev))
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return NULL;
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if (!ops->alloc)
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return NULL;
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memory = ops->alloc(dev, size, dma_handle,
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dma_alloc_coherent_gfp_flags(dev, gfp), attrs);
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debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
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return memory;
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}
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gfp_t gfp, struct dma_attrs *attrs);
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#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
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@ -140,6 +140,34 @@ void dma_generic_free_coherent(struct device *dev, size_t size, void *vaddr,
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free_pages((unsigned long)vaddr, get_order(size));
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}
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void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
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gfp_t gfp, struct dma_attrs *attrs)
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{
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struct dma_map_ops *ops = get_dma_ops(dev);
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void *memory;
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gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
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if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
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return memory;
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if (!dev)
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dev = &x86_dma_fallback_dev;
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if (!is_device_dma_capable(dev))
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return NULL;
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if (!ops->alloc)
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return NULL;
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memory = ops->alloc(dev, size, dma_handle,
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dma_alloc_coherent_gfp_flags(dev, gfp), attrs);
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debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
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return memory;
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}
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EXPORT_SYMBOL(dma_alloc_attrs);
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/*
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* See <Documentation/x86/x86_64/boot-options.txt> for the iommu kernel
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* parameter documentation.
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