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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 466C0C43331 for ; Thu, 2 Apr 2020 04:06:10 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0100120747 for ; Thu, 2 Apr 2020 04:06:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="KL9DiRlP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0100120747 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A5B888E0035; Thu, 2 Apr 2020 00:06:09 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A0B788E000D; Thu, 2 Apr 2020 00:06:09 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 949E68E0035; Thu, 2 Apr 2020 00:06:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0081.hostedemail.com [216.40.44.81]) by kanga.kvack.org (Postfix) with ESMTP id 7A1938E000D for ; Thu, 2 Apr 2020 00:06:09 -0400 (EDT) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 4AB9F45BB for ; Thu, 2 Apr 2020 04:06:09 +0000 (UTC) X-FDA: 76661577258.15.wire58_35b18c486813c X-HE-Tag: wire58_35b18c486813c X-Filterd-Recvd-Size: 2319 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf32.hostedemail.com (Postfix) with ESMTP for ; Thu, 2 Apr 2020 04:06:08 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 00BFA206E9; Thu, 2 Apr 2020 04:06:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585800368; bh=ym9+iBk810BFDDJkq9rWFlVhl7BN4fQH3zQvDtMf+4o=; h=Date:From:To:Subject:In-Reply-To:From; b=KL9DiRlPspAYJBPEUgdd8k4yvke0hN5mhONINsCPvdf0MtJH5gbTjvnyg0qtwox8S ZS2luJj9rSP26yzYMh/qsF4tgo4lkaO2YpCPMEy2z4plU7pm2aMDwAm0UPlxU2rKJH gh4UH2atxeldMvm54/kFYJBOU7hBDv3RbAm8wRLA= Date: Wed, 01 Apr 2020 21:06:07 -0700 From: Andrew Morton To: akpm@linux-foundation.org, chenwandun@huawei.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org Subject: [patch 053/155] mm/swapfile.c: fix comments for swapcache_prepare Message-ID: <20200402040607.Mj8nOg6I7%akpm@linux-foundation.org> In-Reply-To: <20200401210155.09e3b9742e1c6e732f5a7250@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Chen Wandun Subject: mm/swapfile.c: fix comments for swapcache_prepare The -EEXIST returned by __swap_duplicate means there is a swap cache instead -EBUSY Link: http://lkml.kernel.org/r/20200212145754.27123-1-chenwandun@huawei.com Signed-off-by: Chen Wandun Reviewed-by: Andrew Morton Signed-off-by: Andrew Morton --- mm/swapfile.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/swapfile.c~mm-swapfilec-fix-comments-for-swapcache_prepare +++ a/mm/swapfile.c @@ -3475,7 +3475,7 @@ int swap_duplicate(swp_entry_t entry) * * Called when allocating swap cache for existing swap entry, * This can return error codes. Returns 0 at success. - * -EBUSY means there is a swap cache. + * -EEXIST means there is a swap cache. * Note: return code is different from swap_duplicate(). */ int swapcache_prepare(swp_entry_t entry) _