get_page_foll is more optimal and is always safe to use under the PT lock. More so for hugetlbfs as there's no risk of race conditions with split_huge_page regardless of the PT lock.
Signed-off-by: Andrea Arcangeli <[email protected]> --- mm/hugetlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 14737f8e..f03e068 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3113,7 +3113,7 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, same_page: if (pages) { pages[i] = mem_map_offset(page, pfn_offset); - get_page(pages[i]); + get_page_foll(pages[i]); } if (vmas) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
