diff options
Diffstat (limited to 'arch/csky/include/asm')
| -rw-r--r-- | arch/csky/include/asm/page.h | 1 | ||||
| -rw-r--r-- | arch/csky/include/asm/pgtable.h | 17 |
2 files changed, 17 insertions, 1 deletions
diff --git a/arch/csky/include/asm/page.h b/arch/csky/include/asm/page.h index ed7451478b1b..b23e3006a9e0 100644 --- a/arch/csky/include/asm/page.h +++ b/arch/csky/include/asm/page.h @@ -39,7 +39,6 @@ #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && \ (void *)(kaddr) < high_memory) -#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr) extern void *memset(void *dest, int c, size_t l); extern void *memcpy(void *to, const void *from, size_t l); diff --git a/arch/csky/include/asm/pgtable.h b/arch/csky/include/asm/pgtable.h index 77bc6caff2d2..d4042495febc 100644 --- a/arch/csky/include/asm/pgtable.h +++ b/arch/csky/include/asm/pgtable.h @@ -200,6 +200,23 @@ static inline pte_t pte_mkyoung(pte_t pte) return pte; } +static inline int pte_swp_exclusive(pte_t pte) +{ + return pte_val(pte) & _PAGE_SWP_EXCLUSIVE; +} + +static inline pte_t pte_swp_mkexclusive(pte_t pte) +{ + pte_val(pte) |= _PAGE_SWP_EXCLUSIVE; + return pte; +} + +static inline pte_t pte_swp_clear_exclusive(pte_t pte) +{ + pte_val(pte) &= ~_PAGE_SWP_EXCLUSIVE; + return pte; +} + #define __HAVE_PHYS_MEM_ACCESS_PROT struct file; extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, |