diff options
Diffstat (limited to 'arch/x86/mm/init_32.c')
| -rw-r--r-- | arch/x86/mm/init_32.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 9a0c258a86be..2226f2c70ea3 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -241,6 +241,7 @@ kernel_physical_mapping_init(unsigned long start, unsigned long page_size_mask) { int use_pse = page_size_mask == (1<<PG_LEVEL_2M); + unsigned long last_map_addr = end; unsigned long start_pfn, end_pfn; pgd_t *pgd_base = swapper_pg_dir; int pgd_idx, pmd_idx, pte_ofs; @@ -341,9 +342,10 @@ repeat: prot = PAGE_KERNEL_EXEC; pages_4k++; - if (mapping_iter == 1) + if (mapping_iter == 1) { set_pte(pte, pfn_pte(pfn, init_prot)); - else + last_map_addr = (pfn << PAGE_SHIFT) + PAGE_SIZE; + } else set_pte(pte, pfn_pte(pfn, prot)); } } @@ -368,7 +370,7 @@ repeat: mapping_iter = 2; goto repeat; } - return 0; + return last_map_addr; } pte_t *kmap_pte; |