MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size check
[linux-2.6/linux-mips.git] / include / linux / pfn.h
blob7646637221f3ac45b0e2f9381fd733950b6ff492
1 #ifndef _LINUX_PFN_H_
2 #define _LINUX_PFN_H_
4 #ifndef __ASSEMBLY__
5 #include <linux/types.h>
6 #endif
8 #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
9 #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
10 #define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
11 #define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT)
13 #endif