Hugepages pages never get the PG_reserved bit set, so don't clear it. But add a warning just in case.
Signed-off-by: Luiz Capitulino <lcapitul...@redhat.com> Reviewed-by: Andrea Arcangeli <aarca...@redhat.com> Reviewed-by: Naoya Horiguchi <n-horigu...@ah.jp.nec.com> Reviewed-by: Yasuaki Ishimatsu <isimatu.yasu...@jp.fujitsu.com> --- mm/hugetlb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 8674eda..c295bba 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -617,8 +617,9 @@ static void update_and_free_page(struct hstate *h, struct page *page) for (i = 0; i < pages_per_huge_page(h); i++) { page[i].flags &= ~(1 << PG_locked | 1 << PG_error | 1 << PG_referenced | 1 << PG_dirty | - 1 << PG_active | 1 << PG_reserved | - 1 << PG_private | 1 << PG_writeback); + 1 << PG_active | 1 << PG_private | + 1 << PG_writeback); + WARN_ON(PageReserved(&page[i])); } VM_BUG_ON_PAGE(hugetlb_cgroup_from_page(page), page); set_compound_page_dtor(page, NULL); -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/