diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-10-06 16:01:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-10-06 16:01:27 +0100 |
| commit | 907bc6c7fc7071b00083fc11e510e47dd93df45d (patch) | |
| tree | 0697a608561522c00da9e1814974a2eb051bb96d /arch/mips/include/asm/page.h | |
| parent | d2b247a8be57647d1745535acd58169fbcbe431a (diff) | |
| parent | 2a0f5cb32772e9a9560209e241a80bfbbc31dbc3 (diff) | |
Merge branch 'for-2.6.32' into for-2.6.33
Diffstat (limited to 'arch/mips/include/asm/page.h')
| -rw-r--r-- | arch/mips/include/asm/page.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index dc0eaa73128..f266295cce5 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -10,6 +10,7 @@ #define _ASM_PAGE_H #include <spaces.h> +#include <linux/const.h> /* * PAGE_SHIFT determines the page size @@ -29,13 +30,15 @@ #ifdef CONFIG_PAGE_SIZE_64KB #define PAGE_SHIFT 16 #endif -#define PAGE_SIZE (1UL << PAGE_SHIFT) +#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~((1 << PAGE_SHIFT) - 1)) +#ifdef CONFIG_HUGETLB_PAGE #define HPAGE_SHIFT (PAGE_SHIFT + PAGE_SHIFT - 3) -#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) +#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) +#endif /* CONFIG_HUGETLB_PAGE */ #ifndef __ASSEMBLY__ @@ -165,7 +168,14 @@ typedef struct { unsigned long pgprot; } pgprot_t; #ifdef CONFIG_FLATMEM -#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && (pfn) < max_mapnr) +#define pfn_valid(pfn) \ +({ \ + unsigned long __pfn = (pfn); \ + /* avoid <linux/bootmem.h> include hell */ \ + extern unsigned long min_low_pfn; \ + \ + __pfn >= min_low_pfn && __pfn < max_mapnr; \ +}) #elif defined(CONFIG_SPARSEMEM) |