commit bae9c19bf1 (thp: split_huge_page_mm/vma) changed locking behavior of walk_page_range(). Thus this patch changes comment too. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> --- mm/pagewalk.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/mm/pagewalk.c b/mm/pagewalk.c index f792940..2f5cf10 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -176,7 +176,8 @@ static int walk_hugetlb_range(struct vm_area_struct *vma, * associated range, and a copy of the original mm_walk for access to * the ->private or ->mm fields. * - * No locks are taken, but the bottom level iterator will map PTE + * Usually no locks are taken, but splitting transparent huge page may + * take page table lock. And the bottom level iterator will map PTE * directories from highmem if necessary. * * If any callback returns a non-zero value, the walk is aborted and -- 1.7.3.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>