From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 434D2C433EF for ; Wed, 8 Dec 2021 08:37:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245010AbhLHIl3 (ORCPT ); Wed, 8 Dec 2021 03:41:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236193AbhLHIl2 (ORCPT ); Wed, 8 Dec 2021 03:41:28 -0500 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E94B4C061574 for ; Wed, 8 Dec 2021 00:37:56 -0800 (PST) Received: by mail-pj1-x1036.google.com with SMTP id iq11so1413970pjb.3 for ; Wed, 08 Dec 2021 00:37:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id; bh=bwXvgd5xsgfADZErjxdRU/XgBlTNkIZ/8hPlFFC57LE=; b=LRfZ9sifn/hPu1USVeaa8cVFREZh9urN0dfwz/hOCCiJen+AUihuk440MuHKMcHV/d aufyAlAn67BjPYlN6leVXRYV2N/66jZVgzZGl0L0qngGjpkcJKxkcXy26WWRAurlH5EV dWK06Pgs2T2G3RsTLw/A9gWQWpv+DdhJD04APNRrOJb/9dFaL/WQxKE3B64hgMneWJi9 VEZwX/gZqtBeDmnQqJ7C8hOuF4Hmc7WSf9YzufeuLE1Skf3gFpK+Wc0FD1HHp2VHMT7I dGNK91i5VDIU3l+TyqAL5ki6mmgV+T0mnt327wrbN+Hdigshui88wmcaRIpwyVBM43eN 8H+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id; bh=bwXvgd5xsgfADZErjxdRU/XgBlTNkIZ/8hPlFFC57LE=; b=tc9UOCDrC1ECzsLEStVPAhxQDdRcxAuS572PVTxOq3cXrkx9uXbdKM/pQvinySBI9O OAGRUhkDH3DAHOwRFX+JDTdewvlfVEARiXnSQVUlVXT+tcreoszNTD2KalT0sZUFk9mO jpPc9j9IT7jhwCdqoA9/yh2byWt36e4B5s/1ORIwBEIgfOZaHLwf1IHbgeBcREBFV+n0 vsxFss+HCl9qqIFl+EcSO2dCbmJkJ/O9FXvr5H1bDlUmoR94d3+Ill+RLt/3vej1HJHk vj4MxcY6w4uFD57Sk9QMLXTEzX5Y2VXgqrQRTMnHG3YoGIcMUJU5vCx9D4NoJKpurVyc 7uIw== X-Gm-Message-State: AOAM532DkQAl/flYfWpNTKAADcy4TL0aYsqgdobzSlYX5Z6soIVak1Pc Pd84Vp8RTQNLfTjwfSkhZOM= X-Google-Smtp-Source: ABdhPJyAw4dYVYp0vvKe46EWug52vDhOfOOI9T41J7Rin8b4DrjfUMLTEgqOwp3+ZbgwpN562jlOKQ== X-Received: by 2002:a17:90a:17ef:: with SMTP id q102mr5519306pja.116.1638952676518; Wed, 08 Dec 2021 00:37:56 -0800 (PST) Received: from bj03382pcu.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id v19sm5331780pju.32.2021.12.08.00.37.54 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Dec 2021 00:37:56 -0800 (PST) From: Huangzhaoyang To: David Howells , Marc Dionne , Zhaoyang Huang , linux-kernel@vger.kernel.org Subject: [PATCH] fs: judging context via current_is_kswapd instead of gfp_flag Date: Wed, 8 Dec 2021 16:37:38 +0800 Message-Id: <1638952658-20285-1-git-send-email-huangzhaoyang@gmail.com> X-Mailer: git-send-email 1.7.9.5 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zhaoyang Huang Kswapd uses GFP_KERNEL as gfp_flag which make the judgment of context is unexpected. fix it by using current_is_kswapd. Signed-off-by: Zhaoyang Huang --- fs/afs/file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/afs/file.c b/fs/afs/file.c index eb11d04..6c199d5 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -485,7 +485,7 @@ static int afs_releasepage(struct page *page, gfp_t gfp_flags) * elected to wait */ #ifdef CONFIG_AFS_FSCACHE if (PageFsCache(page)) { - if (!(gfp_flags & __GFP_DIRECT_RECLAIM) || !(gfp_flags & __GFP_FS)) + if (current_is_kswapd() || !(gfp_flags & __GFP_FS)) return false; wait_on_page_fscache(page); } -- 1.9.1