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Merge git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[GitHub/mt8127/android_kernel_alcatel_ttab.git]
/
include
/
linux
/
pfn.h
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#ifndef _LINUX_PFN_H_
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#define _LINUX_PFN_H_
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#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
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#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
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#define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
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#define PFN_PHYS(x) ((x) << PAGE_SHIFT)
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#endif