From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx174.postini.com [74.125.245.174]) by kanga.kvack.org (Postfix) with SMTP id CB8F36B00CF for ; Tue, 7 May 2013 16:49:32 -0400 (EDT) Received: by mail-we0-f178.google.com with SMTP id q57so1077337wes.9 for ; Tue, 07 May 2013 13:49:31 -0700 (PDT) From: j.glisse@gmail.com Subject: [PATCH 1/3] mm: honor FOLL_GET flag in follow_hugetlb_page Date: Tue, 7 May 2013 16:45:54 -0400 Message-Id: <1367959554-3218-1-git-send-email-j.glisse@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Jerome Glisse From: Jerome Glisse Do not increase page count if FOLL_GET is not set. Signed-off-by: Jerome Glisse --- mm/hugetlb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 1a12f5b..5d1e46b 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2991,7 +2991,9 @@ 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]); + if (flags & FOLL_GET) { + get_page_foll(pages[i]); + } } if (vmas) -- 1.8.2.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org