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 E258EC83F12 for ; Thu, 31 Aug 2023 12:16:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346205AbjHaMQi (ORCPT ); Thu, 31 Aug 2023 08:16:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244060AbjHaMQf (ORCPT ); Thu, 31 Aug 2023 08:16:35 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB44DCFE for ; Thu, 31 Aug 2023 05:16:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=AAQZT6NKxzau1CUdnFj23oTMysnJNnnlYeofFG/iiGw=; b=XOXt4ShcRnJtTsuqMfQslsY4xM DD0DvT1wwTghea7KvXwHizLVhW6C3NswNalIvHtHFd0+3SP8stTwj2w80cg9xbi743zPgXiPywLoi k50iF0ytirfP3BRCdRkbqaucjvpUxp7Sp7KRS+jz2UpkfGA+3c4ZqWGRso457TtVoPIMlOZfZ0D2P SUVdbpOt5ItQA+IyFXzAEw6mtpOagkYESGQjKRiV0ns8AN/+RjWmISqvfphyFfnKMKXJrbDtNpFsw NIdOq0KU70pAj7BVSyb7qBqc9M2y7SXpeSHzB5MTl0MOZwKJjFkqXm92zPhUcaZbS8xWs9Lkn5BKc +/vt0ThA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qbgao-001Eod-Bf; Thu, 31 Aug 2023 12:16:10 +0000 Date: Thu, 31 Aug 2023 13:16:10 +0100 From: Matthew Wilcox To: "zhaoyang.huang" Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Zhaoyang Huang , ke.wang@unisoc.com Subject: Re: [PATCH] mm: make __GFP_SKIP_ZERO visible to skip zero operation Message-ID: References: <20230831105252.1385911-1-zhaoyang.huang@unisoc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230831105252.1385911-1-zhaoyang.huang@unisoc.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 31, 2023 at 06:52:52PM +0800, zhaoyang.huang wrote: > From: Zhaoyang Huang > > There is no explicit gfp flags to let the allocation skip zero > operation when CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y. I would like to make > __GFP_SKIP_ZERO be visible even if kasan is not configured. This bypasses a security feature so you're going to have to do a little better than "I want it". > Signed-off-by: Zhaoyang Huang > --- > include/linux/gfp_types.h | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > mode change 100644 => 100755 include/linux/gfp_types.h What is this garbage? Header files should not be executable.