__initfunc(unsigned long paging_init(unsigned long start_mem, unsigned long end_mem)) { /* Initialize the entire pgd. */ pgd_init((unsigned long)swapper_pg_dir); pgd_init((unsigned long)swapper_pg_dir + PAGE_SIZE / 2); return free_area_init(start_mem, end_mem); }
void __init pagetable_init(void) { unsigned long vaddr; pgd_t *pgd_base; /* Initialize the entire pgd. */ pgd_init((unsigned long)swapper_pg_dir); #ifdef MODULE_START pgd_init((unsigned long)module_pg_dir); #endif pmd_init((unsigned long)invalid_pmd_table, (unsigned long)invalid_pte_table); pgd_base = swapper_pg_dir; /* * Fixed mappings: */ vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; fixrange_init(vaddr, 0, pgd_base); }
void __init pagetable_init(void) { unsigned long vaddr; pgd_t *pgd_base; #ifdef CONFIG_HIGHMEM pgd_t *pgd; pud_t *pud; pmd_t *pmd; pte_t *pte; #endif /* Initialize the entire pgd. */ pgd_init((unsigned long)swapper_pg_dir); pgd_init((unsigned long)swapper_pg_dir + sizeof(pgd_t) * USER_PTRS_PER_PGD); pgd_base = swapper_pg_dir; /* * Fixed mappings: */ #ifdef CONFIG_BCM53000_HIGHMEM vaddr = __fix_to_virt(VALIAS_IDX(__end_of_fixed_addresses - 1)) & PMD_MASK; #else vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; #endif fixrange_init(vaddr, 0, pgd_base); #ifdef CONFIG_HIGHMEM /* * Permanent kmaps: */ vaddr = PKMAP_BASE; fixrange_init(vaddr, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base); pgd = swapper_pg_dir + __pgd_offset(vaddr); pud = pud_offset(pgd, vaddr); pmd = pmd_offset(pud, vaddr); pte = pte_offset_kernel(pmd, vaddr); pkmap_page_table = pte; #endif }
pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *ret, *init; ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER); if (ret) { init = pgd_offset(&init_mm, 0UL); pgd_init(ret); memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD, (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); } return ret; }
void __init pagetable_init(void) { unsigned long vaddr; pgd_t *pgd_base; pgd_init((unsigned long)swapper_pg_dir); #ifndef __PAGETABLE_PMD_FOLDED pmd_init((unsigned long)invalid_pmd_table, (unsigned long)invalid_pte_table); #endif pgd_base = swapper_pg_dir; vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; fixrange_init(vaddr, vaddr + FIXADDR_SIZE, pgd_base); }
void __init pagetable_init(void) { /* Initialize the entire pgd. */ pgd_init((unsigned long)swapper_pg_dir); }
void __init pagetable_init(void) { /* */ pgd_init((unsigned long)swapper_pg_dir); }
void __init pagetable_init(void) { /* Initialize the entire pgd. */ pgd_init(swapper_pg_dir); pgd_init(swapper_pg_dir + USER_PTRS_PER_PGD); }