diff options
| -rw-r--r-- | arch/x86/mm/init_64.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 01ea7c6df303..6e8e4ef5312a 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1599,11 +1599,14 @@ void register_page_bootmem_memmap(unsigned long section_nr, } get_page_bootmem(section_nr, pud_page(*pud), MIX_SECTION_INFO); - if (!boot_cpu_has(X86_FEATURE_PSE)) { + pmd = pmd_offset(pud, addr); + if (pmd_none(*pmd)) { + next = (addr + PAGE_SIZE) & PAGE_MASK; + continue; + } + + if (!boot_cpu_has(X86_FEATURE_PSE) || !pmd_leaf(*pmd)) { next = (addr + PAGE_SIZE) & PAGE_MASK; - pmd = pmd_offset(pud, addr); - if (pmd_none(*pmd)) - continue; get_page_bootmem(section_nr, pmd_page(*pmd), MIX_SECTION_INFO); @@ -1614,12 +1617,7 @@ void register_page_bootmem_memmap(unsigned long section_nr, SECTION_INFO); } else { next = pmd_addr_end(addr, end); - - pmd = pmd_offset(pud, addr); - if (pmd_none(*pmd)) - continue; - - nr_pmd_pages = 1 << get_order(PMD_SIZE); + nr_pmd_pages = (next - addr) >> PAGE_SHIFT; page = pmd_page(*pmd); while (nr_pmd_pages--) get_page_bootmem(section_nr, page++, |