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 32735C433EF for ; Mon, 7 Mar 2022 10:24:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239617AbiCGKZ1 (ORCPT ); Mon, 7 Mar 2022 05:25:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238803AbiCGKC2 (ORCPT ); Mon, 7 Mar 2022 05:02:28 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE1447486F; Mon, 7 Mar 2022 01:51:52 -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 87EACB80F9F; Mon, 7 Mar 2022 09:51:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E21BFC340F4; Mon, 7 Mar 2022 09:51:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646646709; bh=Y0ydCJdLcvb/muRQhxCjXoK2Jvm2kqf39/xsowfr3bs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EhKIsnwaEEFZkjJ+DTcXt3jOm1SFibm9b0az7LEh8JRz0acgcojdLBs5o5wlhTr6T 8uw2jt8IuAaBxGSuuXdtfEzvkx7hsQcqIjTGkWBnILTMqW0XS9EJ0ePadiB3YMaycO Hh9ajOZCEPhLiP0yH4gRP+H2eHQOGup1MCPdJYZ4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Haimin Zhang , Chaitanya Kulkarni , Christoph Hellwig , Jens Axboe , Sasha Levin Subject: [PATCH 5.16 027/186] block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern Date: Mon, 7 Mar 2022 10:17:45 +0100 Message-Id: <20220307091654.854214847@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220307091654.092878898@linuxfoundation.org> References: <20220307091654.092878898@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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