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>

diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h
index 808dae63eeea6f73eb312d4f5b7f77cf4e869e6c..63393202b9ecd22caffa9e714195504925a961d6 100644 (file)
--- a/arch/x86/include/asm/dma-mapping.h
+++ b/arch/x86/include/asm/dma-mapping.h
@@ -127,33 +127,9 @@ static inline gfp_t dma_alloc_coherent_gfp_flags(struct device *dev, gfp_t gfp)
 
 #define dma_alloc_coherent(d,s,h,f)    dma_alloc_attrs(d,s,h,f,NULL)
 
-static inline void *
+void *
 dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
-               gfp_t gfp, struct dma_attrs *attrs)
-{
-       struct dma_map_ops *ops = get_dma_ops(dev);
-       void *memory;
-
-       gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
-
-       if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
-               return memory;
-
-       if (!dev)
-               dev = &x86_dma_fallback_dev;
-
-       if (!is_device_dma_capable(dev))
-               return NULL;
-
-       if (!ops->alloc)
-               return NULL;
-
-       memory = ops->alloc(dev, size, dma_handle,
-                           dma_alloc_coherent_gfp_flags(dev, gfp), attrs);
-       debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
-
-       return memory;
-}
+               gfp_t gfp, struct dma_attrs *attrs);
 
 #define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
 

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index a25e202bb319caf87ce147831f6a1a47ed03e254..f9f7656e1d415cbd8b4ddb59920aab7c5c908f67 100644 (file)
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -140,6 +140,34 @@ void dma_generic_free_coherent(struct device *dev, size_t size, void *vaddr,
                free_pages((unsigned long)vaddr, get_order(size));
 }
 
+void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
+                     gfp_t gfp, struct dma_attrs *attrs)
+{
+       struct dma_map_ops *ops = get_dma_ops(dev);
+       void *memory;
+
+       gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
+
+       if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
+               return memory;
+
+       if (!dev)
+               dev = &x86_dma_fallback_dev;
+
+       if (!is_device_dma_capable(dev))
+               return NULL;
+
+       if (!ops->alloc)
+               return NULL;
+
+       memory = ops->alloc(dev, size, dma_handle,
+                           dma_alloc_coherent_gfp_flags(dev, gfp), attrs);
+       debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
+
+       return memory;
+}
+EXPORT_SYMBOL(dma_alloc_attrs);
+
 /*
  * See <Documentation/x86/x86_64/boot-options.txt> for the iommu kernel
  * parameter documentation.