diff options
Diffstat (limited to 'arch/arm/mm/mm-armv.c')
| -rw-r--r-- | arch/arm/mm/mm-armv.c | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index 4dae00bf7a5..d125a3dc061 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -295,14 +295,10 @@ alloc_init_page(unsigned long virt, unsigned long phys, unsigned int prot_l1, pg pte_t *ptep; if (pmd_none(*pmdp)) { - unsigned long pmdval; ptep = alloc_bootmem_low_pages(2 * PTRS_PER_PTE * sizeof(pte_t)); - pmdval = __pa(ptep) | prot_l1; - pmdp[0] = __pmd(pmdval); - pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t)); - flush_pmd_entry(pmdp); + __pmd_populate(pmdp, __pa(ptep) | prot_l1); } ptep = pte_offset_kernel(pmdp, virt); @@ -457,7 +453,7 @@ static void __init build_mem_type_table(void) for (i = 0; i < 16; i++) { unsigned long v = pgprot_val(protection_map[i]); - v &= (~(PTE_BUFFERABLE|PTE_CACHEABLE)) | user_pgprot; + v = (v & ~(PTE_BUFFERABLE|PTE_CACHEABLE)) | user_pgprot; protection_map[i] = __pgprot(v); } @@ -581,23 +577,23 @@ static void __init create_mapping(struct map_desc *md) */ void setup_mm_for_reboot(char mode) { - unsigned long pmdval; + unsigned long base_pmdval; pgd_t *pgd; - pmd_t *pmd; int i; - int cpu_arch = cpu_architecture(); if (current->mm && current->mm->pgd) pgd = current->mm->pgd; else pgd = init_mm.pgd; - for (i = 0; i < FIRST_USER_PGD_NR + USER_PTRS_PER_PGD; i++) { - pmdval = (i << PGDIR_SHIFT) | - PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | - PMD_TYPE_SECT; - if (cpu_arch <= CPU_ARCH_ARMv5TEJ) - pmdval |= PMD_BIT4; + base_pmdval = PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT; + if (cpu_architecture() <= CPU_ARCH_ARMv5TEJ) + base_pmdval |= PMD_BIT4; + + for (i = 0; i < FIRST_USER_PGD_NR + USER_PTRS_PER_PGD; i++, pgd++) { + unsigned long pmdval = (i << PGDIR_SHIFT) | base_pmdval; + pmd_t *pmd; + pmd = pmd_off(pgd, i << PGDIR_SHIFT); pmd[0] = __pmd(pmdval); pmd[1] = __pmd(pmdval + (1 << (PGDIR_SHIFT - 1))); |