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Date: Wed, 2 Apr 2014 14:08:46 -0400 From: Luiz Capitulino <lcapitulino@...hat.com> To: linux-mm@...ck.org Cc: linux-kernel@...r.kernel.org, mtosatti@...hat.com, aarcange@...hat.com, mgorman@...e.de, akpm@...ux-foundation.org, andi@...stfloor.org, davidlohr@...com, rientjes@...gle.com, isimatu.yasuaki@...fujitsu.com, yinghai@...nel.org, riel@...hat.com Subject: [PATCH 2/4] hugetlb: update_and_free_page(): don't clear PG_reserved bit 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 <lcapitulino@...hat.com> --- mm/hugetlb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 8c50547..7e07e47 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -581,8 +581,9 @@ 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 majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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