diff options
Diffstat (limited to 'include/asm-i386/pgtable.h')
| -rw-r--r-- | include/asm-i386/pgtable.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h index ef491587f..f0d1b00bf 100644 --- a/include/asm-i386/pgtable.h +++ b/include/asm-i386/pgtable.h @@ -26,6 +26,7 @@ extern pgd_t swapper_pg_dir[1024]; #define flush_cache_page(vma, vmaddr) do { } while (0) #define flush_page_to_ram(page) do { } while (0) #define flush_icache_range(start, end) do { } while (0) +#define flush_icache_page(vma,pg) do { } while (0) #define __flush_tlb() \ do { \ @@ -51,7 +52,7 @@ extern pgd_t swapper_pg_dir[1024]; "movl %%cr3, %0; # flush TLB \n" \ "movl %0, %%cr3; \n" \ "movl %2, %%cr4; # turn PGE back on \n" \ - : "=r" (tmpreg) \ + : "=&r" (tmpreg) \ : "r" (mmu_cr4_features & ~X86_CR4_PGE), \ "r" (mmu_cr4_features) \ : "memory"); \ @@ -129,7 +130,8 @@ extern unsigned long empty_zero_page[1024]; * area for the same reason. ;) */ #define VMALLOC_OFFSET (8*1024*1024) -#define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#define VMALLOC_START (((unsigned long) high_memory + 2*VMALLOC_OFFSET-1) & \ + ~(VMALLOC_OFFSET-1)) #define VMALLOC_VMADDR(x) ((unsigned long)(x)) #define VMALLOC_END (FIXADDR_START) @@ -292,10 +294,11 @@ extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) /* to find an entry in a page-table-directory. */ -#define __pgd_offset(address) \ - ((address >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) +#define pgd_index(address) ((address >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) + +#define __pgd_offset(address) pgd_index(address) -#define pgd_offset(mm, address) ((mm)->pgd+__pgd_offset(address)) +#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) /* to find an entry in a kernel page-table-directory */ #define pgd_offset_k(address) pgd_offset(&init_mm, address) |