diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:27 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-09-21 12:51:42 +0200 |
commit | ae82bfd61ca7e57cc2d914add9ab0873e260f2f5 (patch) | |
tree | a7f862ad8b0ae4f2e8953e6aa613eb702b484ecf /arch/sh/include/asm/pgtable.h | |
parent | cd74c86bdf705f824d494a2bbda393d1d562b40a (diff) | |
parent | ebc79c4f8da0f92efa968e0328f32334a2ce80cf (diff) |
Merge branch 'linus' into perfcounters/rename
Merge reason: pull in all the latest code before doing the rename.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/include/asm/pgtable.h')
-rw-r--r-- | arch/sh/include/asm/pgtable.h | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index 2a011b18090..4f3efa7d5a6 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -36,6 +36,12 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; #define NEFF_SIGN (1LL << (NEFF - 1)) #define NEFF_MASK (-1LL << NEFF) +static inline unsigned long long neff_sign_extend(unsigned long val) +{ + unsigned long long extended = val; + return (extended & NEFF_SIGN) ? (extended | NEFF_MASK) : extended; +} + #ifdef CONFIG_29BIT #define NPHYS 29 #else @@ -133,27 +139,25 @@ typedef pte_t *pte_addr_t; */ #define pgtable_cache_init() do { } while (0) -#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \ - defined(CONFIG_SH7705_CACHE_32KB)) -struct mm_struct; -#define __HAVE_ARCH_PTEP_GET_AND_CLEAR -pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -#endif - struct vm_area_struct; -extern void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte); + +extern void __update_cache(struct vm_area_struct *vma, + unsigned long address, pte_t pte); +extern void __update_tlb(struct vm_area_struct *vma, + unsigned long address, pte_t pte); + +static inline void +update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +{ + __update_cache(vma, address, pte); + __update_tlb(vma, address, pte); +} + extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; extern void paging_init(void); extern void page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd); -#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_CPU_SH4) && defined(CONFIG_MMU) -extern void kmap_coherent_init(void); -#else -#define kmap_coherent_init() do { } while (0) -#endif - /* arch/sh/mm/mmap.c */ #define HAVE_ARCH_UNMAPPED_AREA #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN |