diff options
| -rw-r--r-- | arch/tile/include/asm/fixmap.h | 8 | ||||
| -rw-r--r-- | arch/tile/mm/init.c | 5 | ||||
| -rw-r--r-- | arch/tile/mm/pgtable.c | 49 |
3 files changed, 1 insertions, 61 deletions
diff --git a/arch/tile/include/asm/fixmap.h b/arch/tile/include/asm/fixmap.h index e16dbf929cb5..c6b9c1b38fd1 100644 --- a/arch/tile/include/asm/fixmap.h +++ b/arch/tile/include/asm/fixmap.h @@ -78,14 +78,6 @@ enum fixed_addresses { #endif }; -extern void __set_fixmap(enum fixed_addresses idx, - unsigned long phys, pgprot_t flags); - -#define set_fixmap(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL) -#define clear_fixmap(idx) \ - __set_fixmap(idx, 0, __pgprot(0)) - #define __FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) #define __FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP + PAGE_SIZE - __FIXADDR_SIZE) diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c index e182958c707d..3bfa1275e333 100644 --- a/arch/tile/mm/init.c +++ b/arch/tile/mm/init.c @@ -777,10 +777,7 @@ void __init paging_init(void) kernel_physical_mapping_init(pgd_base); - /* - * Fixed mappings, only the page table structure has to be - * created - mappings will be set by set_fixmap(): - */ + /* Fixed mappings, only the page table structure has to be created. */ page_table_range_init(fix_to_virt(__end_of_fixed_addresses - 1), FIXADDR_TOP, pgd_base); diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c index 2bd572be9dba..e41487e22163 100644 --- a/arch/tile/mm/pgtable.c +++ b/arch/tile/mm/pgtable.c @@ -83,55 +83,6 @@ void show_mem(unsigned int filter) } } -/* - * Associate a virtual page frame with a given physical page frame - * and protection flags for that frame. - */ -static void set_pte_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags) -{ - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - pte_t *pte; - - pgd = swapper_pg_dir + pgd_index(vaddr); - if (pgd_none(*pgd)) { - BUG(); - return; - } - pud = pud_offset(pgd, vaddr); - if (pud_none(*pud)) { - BUG(); - return; - } - pmd = pmd_offset(pud, vaddr); - if (pmd_none(*pmd)) { - BUG(); - return; - } - pte = pte_offset_kernel(pmd, vaddr); - /* <pfn,flags> stored as-is, to permit clearing entries */ - set_pte(pte, pfn_pte(pfn, flags)); - - /* - * It's enough to flush this one mapping. - * This appears conservative since it is only called - * from __set_fixmap. - */ - local_flush_tlb_page(NULL, vaddr, PAGE_SIZE); -} - -void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags) -{ - unsigned long address = __fix_to_virt(idx); - - if (idx >= __end_of_fixed_addresses) { - BUG(); - return; - } - set_pte_pfn(address, phys >> PAGE_SHIFT, flags); -} - /** * shatter_huge_page() - ensure a given address is mapped by a small page. * |