It would be proper to jump to end boundary of the proper level instead of always jump to the end boundary of a PAGE.
Signed-off-by: Wei Yang <[email protected]> CC: Baoquan He <[email protected]> CC: Kirill A. Shutemov <[email protected]> --- arch/x86/mm/init_64.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index f902fbd17f27..45eddb755eaa 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1536,21 +1536,21 @@ void register_page_bootmem_memmap(unsigned long section_nr, pgd = pgd_offset_k(addr); if (pgd_none(*pgd)) { - next = (addr + PAGE_SIZE) & PAGE_MASK; + next = pgd_addr_end(addr, end); continue; } get_page_bootmem(section_nr, pgd_page(*pgd), MIX_SECTION_INFO); p4d = p4d_offset(pgd, addr); if (p4d_none(*p4d)) { - next = (addr + PAGE_SIZE) & PAGE_MASK; + next = p4d_addr_end(addr, end); continue; } get_page_bootmem(section_nr, p4d_page(*p4d), MIX_SECTION_INFO); pud = pud_offset(p4d, addr); if (pud_none(*pud)) { - next = (addr + PAGE_SIZE) & PAGE_MASK; + next = pud_addr_end(addr, end); continue; } get_page_bootmem(section_nr, pud_page(*pud), MIX_SECTION_INFO); -- 2.20.1 (Apple Git-117)
