diff options
Diffstat (limited to 'arch/mips/include/asm/page.h')
| -rw-r--r-- | arch/mips/include/asm/page.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index 72c80d2034c2..4320239cf4ef 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -32,6 +32,13 @@ #define PAGE_SIZE (1UL << 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_MASK (~(HPAGE_SIZE - 1)) +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) +#endif /* CONFIG_HUGETLB_PAGE */ + #ifndef __ASSEMBLY__ #include <linux/pfn.h> @@ -160,7 +167,14 @@ 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) |