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 21457C43334 for ; Thu, 2 Jun 2022 18:28:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237990AbiFBS2l (ORCPT ); Thu, 2 Jun 2022 14:28:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234073AbiFBS2j (ORCPT ); Thu, 2 Jun 2022 14:28:39 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5A3F20C27C; Thu, 2 Jun 2022 11:28:33 -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=0D+S+RT003/1WbL9r9PMHAKW1N1Xhi6inZJ/D9WSjb8=; b=kukR8pnRZfY+lffJR06CeVC0mv dCmWwVDff5faj1BvAVocZ7NGjIpZiNsoBtiAnzRgJ9Eu7D7802iJZQ4hxBAbhXqYNN12YxrGVnN5j Dqm0k4VF61Kt8MpAIdQEMW/W9jQq6duDZlGG5usJpJajCYHnTC/GPZf3HDidjao8wY7CgcVYW+vy1 MpURqzjRpByVoDCdmqc0dhNv3bqSxw6+zxsGc0H91SbFOxzWer1UKG6x0cYhuXm7SQfIF4E+9nSdG 2G4FIGb4w4cWTikuTu4P2Jo9t20QMOX/fs7bTCnVoYJ/eltlXJDYUbZcBsCv1gyv4X7p88G9+meP4 OCKgrZbw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwpYP-007LBF-JW; Thu, 02 Jun 2022 18:28:17 +0000 Date: Thu, 2 Jun 2022 19:28:17 +0100 From: Matthew Wilcox To: Xin Hao Cc: changbin.du@intel.com, sashal@kernel.org, akpm@linux-foundation.org, adobriyan@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] proc: export page young and skip_kasan_poison flag via kpageflags Message-ID: References: <20220602154302.12634-1-xhao@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220602154302.12634-1-xhao@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Thu, Jun 02, 2022 at 11:43:02PM +0800, Xin Hao wrote: > Now the young and skip_kasan_poison flag are supported in Why do we want userspace to know about whether skip_kasan_poison is set? That seems like a kernel-internal detail to me.