From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f72.google.com (mail-pa0-f72.google.com [209.85.220.72]) by kanga.kvack.org (Postfix) with ESMTP id 349F76B0275 for ; Mon, 25 Jul 2016 20:36:59 -0400 (EDT) Received: by mail-pa0-f72.google.com with SMTP id ag5so260160509pad.2 for ; Mon, 25 Jul 2016 17:36:59 -0700 (PDT) Received: from mga14.intel.com (mga14.intel.com. [192.55.52.115]) by mx.google.com with ESMTP id cc15si36082537pac.249.2016.07.25.17.36.39 for ; Mon, 25 Jul 2016 17:36:45 -0700 (PDT) From: "Kirill A. Shutemov" Subject: [PATCHv1, RFC 30/33] ext4: relax assert in ext4_da_page_release_reservation() Date: Tue, 26 Jul 2016 03:35:32 +0300 Message-Id: <1469493335-3622-31-git-send-email-kirill.shutemov@linux.intel.com> In-Reply-To: <1469493335-3622-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1469493335-3622-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Theodore Ts'o , Andreas Dilger , Jan Kara Cc: Alexander Viro , Hugh Dickins , Andrea Arcangeli , Andrew Morton , Dave Hansen , Vlastimil Babka , Matthew Wilcox , Ross Zwisler , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, "Kirill A. Shutemov" For huge pages 'stop' must be within HPAGE_PMD_SIZE. Let's use hpage_size() in the BUG_ON(). Signed-off-by: Kirill A. Shutemov --- fs/ext4/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 744bba046268..2e22f62f007b 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1550,7 +1550,7 @@ static void ext4_da_page_release_reservation(struct page *page, int num_clusters; ext4_fsblk_t lblk; - BUG_ON(stop > PAGE_SIZE || stop < length); + BUG_ON(stop > hpage_size(page) || stop < length); head = page_buffers(page); bh = head; -- 2.8.1 -- 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