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 796C3C433F5 for ; Mon, 7 Mar 2022 09:54:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236204AbiCGJz1 (ORCPT ); Mon, 7 Mar 2022 04:55:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241155AbiCGJl4 (ORCPT ); Mon, 7 Mar 2022 04:41:56 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D007264FE; Mon, 7 Mar 2022 01:40:58 -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 sin.source.kernel.org (Postfix) with ESMTPS id D1100CE0E89; Mon, 7 Mar 2022 09:35:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A97D4C340E9; Mon, 7 Mar 2022 09:35:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646645755; bh=Y0ydCJdLcvb/muRQhxCjXoK2Jvm2kqf39/xsowfr3bs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nazNRakXxHo8uO3Z85jayodr9WgLoEerQgl1W9F6Jn7Jx7bK6GZF/xjWpmr9nxOBd HiOHBjNC3GqlDmUy6bOUStYWVb3pYeVlv8U3YZnWGqFInuqC2l5IQZrqdTpAP7lT1t UABeM7o6LZ8Af+4xE9/48Ja1ehO7LVR7UtwELxTU= 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 5.15 026/262] block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern Date: Mon, 7 Mar 2022 10:16:10 +0100 Message-Id: <20220307091703.108905285@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220307091702.378509770@linuxfoundation.org> References: <20220307091702.378509770@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