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 92A2AC433FE for ; Wed, 23 Feb 2022 02:33:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232463AbiBWCd6 (ORCPT ); Tue, 22 Feb 2022 21:33:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237202AbiBWCcl (ORCPT ); Tue, 22 Feb 2022 21:32:41 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DC0E5A0B9; Tue, 22 Feb 2022 18:30:35 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 44584B81E11; Wed, 23 Feb 2022 02:30:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4484CC340F0; Wed, 23 Feb 2022 02:30:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645583434; bh=Y0ydCJdLcvb/muRQhxCjXoK2Jvm2kqf39/xsowfr3bs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CDY6TQjvqzUCUiBaxVxNyoghwJaONDXipUTFpOFrIg1V+SSX/7ppnwm+s2uLQZqiA NLVQxAjneeKTyN6gzgxIWFqJv88wlBSXNvEEJPZykEjnZDEIsqHTknoazsuAicwSiS x/fc5VPEtodJN/zPzHWDabhSapEsZzZ23PQakre8oueLQScHPkyiuCmRrV1jjb5IxB NQT/9Ev3Hw5mpJByW31x1n9wudZSdzpJnax4geXdEMdLFsJP4ISH67g9T30aEaS4mm jT+nghVRejgWDe9z64CIYZL3/ejwhI4DwasAE8pCI783YvBtklSPw30PQj82YJFd4/ SvJh31t6TUoSw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Haimin Zhang , Chaitanya Kulkarni , Christoph Hellwig , Jens Axboe , Sasha Levin , linux-block@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 28/28] block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern Date: Tue, 22 Feb 2022 21:29:29 -0500 Message-Id: <20220223022929.241127-28-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220223022929.241127-1-sashal@kernel.org> References: <20220223022929.241127-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Haimin Zhang [ Upstream commit cc8f7fe1f5eab010191aa4570f27641876fa1267 ] Add __GFP_ZERO flag for alloc_page in function bio_copy_kern to initialize the buffer of a bio. Signed-off-by: Haimin Zhang Reviewed-by: Chaitanya Kulkarni Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/20220216084038.15635-1-tcs.kernel@gmail.com Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- block/blk-map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/blk-map.c b/block/blk-map.c index 4526adde01564..c7f71d83eff18 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -446,7 +446,7 @@ static struct bio *bio_copy_kern(struct request_queue *q, void *data, if (bytes > len) bytes = len; - page = alloc_page(GFP_NOIO | gfp_mask); + page = alloc_page(GFP_NOIO | __GFP_ZERO | gfp_mask); if (!page) goto cleanup; -- 2.34.1