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[2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id z8-20020a50eb48000000b0057252d647cfsi665224edp.679.2024.04.26.00.31.54 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Apr 2024 00:31:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-159517-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b="Od9Syz8/"; arc=pass (i=1 dkim=pass dkdomain=infradead.org); spf=pass (google.com: domain of linux-kernel+bounces-159517-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-159517-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 026F51F2336B for ; Fri, 26 Apr 2024 05:03:05 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3E72713A25F; Fri, 26 Apr 2024 05:03:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Od9Syz8/" Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 931CC13A24E for ; Fri, 26 Apr 2024 05:02:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714107779; cv=none; b=A4BD1XwBAqjssoULIok7fSthgv7iC9zGqKSK0ZvEPCpOtal7BSOC+GcX3qsUzSNs4WwG2hEkMVsTFxKO87Fuy79fjZ/yX+jI6j+aMclVw78ye8TPYeoeP6waHSB57i6Zz4fURymiuDQmL+O33qc8Eb4CMNmS1JU8/xvFfui792o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714107779; c=relaxed/simple; bh=M7NmYC/Iylm9myghHwqILim55SAUt9QrM+UZYk0eJlw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=A0lQXT5j4Y6FkPT74fiFl7PxPlFDGV5xO6WXhgZvdzP3nqvZkU686lJe86PvAD+hVfZRhER8lQYp4YkzzwYXgpATgw9aHeDAiNshbbDHzqRf1peQGolrwKFBy6n5z+m+wG7T561vYeqY/lZavtx4Vh1nwlTxSdtmS/w4xvISxxY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=Od9Syz8/; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=M7NmYC/Iylm9myghHwqILim55SAUt9QrM+UZYk0eJlw=; b=Od9Syz8/yBVWr7kee+LVKVusjh VZktemZu0kAUweUYIUEKby7jinGpX49pLRRSr9pfDKYREy1AfvHqYWIXsHbUOlbRSmcFxb9+B8+I5 Ef+gODdDY8SfGUYhmJCh+0y6a7y9byVLIqD5VJH7chF9owcycDq9HTUQmyl0V5QIy/fUy89LC0M73 vfz+mUY7Le8J/6g5FXaaPirdmhnGNXzkhpdfcms5J+IoSwyEEGQNZyxHFuutAYDu0eYRZMFPWfz70 WDMMf5aOjcGU1rFbtwgCIpDq+DRZ4oI/tyWVF9+I6IKGBX1zl9AMEBaverOFwKR3jHASVvFKDgJV/ NicnYYug==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1s0DjX-0000000B8pP-1gOn; Fri, 26 Apr 2024 05:02:51 +0000 Date: Thu, 25 Apr 2024 22:02:51 -0700 From: Christoph Hellwig To: hailong.liu@oppo.com Cc: akpm@linux-foundation.org, urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com, 21cnbao@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Barry Song Subject: Re: [PATCH v3] mm/vmalloc: fix return value of vb_alloc if size is 0 Message-ID: References: <20240426024149.21176-1-hailong.liu@oppo.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240426024149.21176-1-hailong.liu@oppo.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Looks good: Reviewed-by: Christoph Hellwig