From patchwork Tue Jul 21 18:54:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Andr=C3=A9_Almeida?= X-Patchwork-Id: 11676445 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9180313B6 for ; Tue, 21 Jul 2020 18:55:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F95020729 for ; Tue, 21 Jul 2020 18:55:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729266AbgGUSzx (ORCPT ); Tue, 21 Jul 2020 14:55:53 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:48108 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726658AbgGUSzx (ORCPT ); Tue, 21 Jul 2020 14:55:53 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: tonyk) with ESMTPSA id DBA75290592 From: =?utf-8?q?Andr=C3=A9_Almeida?= To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: kernel@collabora.com, linux-fsdevel@vger.kernel.org, gregkh@linuxfoundation.org, sashal@kernel.org, krisman@collabora.com, =?utf-8?q?Andr=C3=A9_Almeida?= , Nikolaus Rath , Hugh Dickins , Miklos Szeredi Subject: [PATCH 5.7 1/1] fuse: fix weird page warning Date: Tue, 21 Jul 2020 15:54:59 -0300 Message-Id: <20200721185459.103445-1-andrealmeid@collabora.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org From: Miklos Szeredi commit a5005c3cda6eeb6b95645e6cc32f58dafeffc976 upstream. When PageWaiters was added, updating this check was missed. Reported-by: Nikolaus Rath Reported-by: Hugh Dickins Fixes: 62906027091f ("mm: add PageWaiters indicating tasks are waiting for a page bit") Signed-off-by: Miklos Szeredi Signed-off-by: André Almeida --- fs/fuse/dev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 5c155437a455..ec02c3240176 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -771,7 +771,8 @@ static int fuse_check_page(struct page *page) 1 << PG_uptodate | 1 << PG_lru | 1 << PG_active | - 1 << PG_reclaim))) { + 1 << PG_reclaim | + 1 << PG_waiters))) { pr_warn("trying to steal weird page\n"); pr_warn(" page=%p index=%li flags=%08lx, count=%i, mapcount=%i, mapping=%p\n", page, page->index, page->flags, page_count(page), page_mapcount(page), page->mapping); return 1;