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| author | Denys Vlasenko <dvlasenk@redhat.com> | 2015-04-13 13:54:33 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-05-05 20:48:02 +0200 |
| commit | f1dc154f82595386cddcc7b980d8760474c3dd2d (patch) | |
| tree | 0557565fef99173af642af1a0c7a2f55411ebd00 /arch/x86/kernel/pci-dma.c | |
| parent | 0c7965ff22472f60d5cf07308cb59f3a118feb8a (diff) | |
| download | op-kernel-dev-f1dc154f82595386cddcc7b980d8760474c3dd2d.zip op-kernel-dev-f1dc154f82595386cddcc7b980d8760474c3dd2d.tar.gz | |
x86: Deinline dma_free_attrs()
Reduces kernel size by 76720 bytes on allyesconfig build:
text data bss dec hex filename
82594029 22255352 20627456 125476837 77a9fe5 vmlinux1
82517277 22255384 20627456 125400117 7797435 vmlinux2
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/1428926075-28796-3-git-send-email-dvlasenk@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index f9f7656..353972c 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -168,6 +168,23 @@ void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle, } EXPORT_SYMBOL(dma_alloc_attrs); +void dma_free_attrs(struct device *dev, size_t size, + void *vaddr, dma_addr_t bus, + struct dma_attrs *attrs) +{ + struct dma_map_ops *ops = get_dma_ops(dev); + + WARN_ON(irqs_disabled()); /* for portability */ + + if (dma_release_from_coherent(dev, get_order(size), vaddr)) + return; + + debug_dma_free_coherent(dev, size, vaddr, bus); + if (ops->free) + ops->free(dev, size, vaddr, bus, attrs); +} +EXPORT_SYMBOL(dma_free_attrs); + /* * See <Documentation/x86/x86_64/boot-options.txt> for the iommu kernel * parameter documentation. |
