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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09E52C433E0 for ; Thu, 4 Feb 2021 13:04:00 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A3D1364F58 for ; Thu, 4 Feb 2021 13:03:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3D1364F58 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=CDKdOI0Es4ETsQQ0NcmiIaAtTYZY9VmQh3zyx5hMynY=; b=mQxBfynnuPegwaLepuXQZBIi4 tq/7zHCvOkGVfYHpNnP8eXHTL79jV/GCuC30GAQzjVY7peotxPeUSt7jZZRlfKLbesab7/gewmq+E YqC/0MwtVC1RCrY+gBHgmRbyva3p7tZ/mQjt91ekysgx3IoiG6eaUWyIcbHuImasT/zvYl4F7WoWY r4jCU3BltIyHRNLRh0wpuFqQwQBP3jU74jKu1pdWKndY9BpRomd/o72SUyF4jj0jVZtsANnBbv05A H3BMjCLb4Kmzk1sP9m7rsH3haMeGjTiFBYzYmcXNwM4/eZo05oVRJrp+hLoMAbMKdV7MjoFtdMfqp J+mQaTNiQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7eHM-000467-Vj; Thu, 04 Feb 2021 13:02:37 +0000 Received: from mx2.suse.de ([195.135.220.15]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7eHL-00045E-03; Thu, 04 Feb 2021 13:02:35 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1612443751; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=wV8EqN+aFKtqheOmivykKqrk3VRFPc84lBWqlqC5mhU=; b=S7Xu1febLmS5kX17RFiu9leCmCOiW9bK6FTrsMR2Jq0CsMxFWmSj/7op1/f5ZRchTgMx+j uSPvUPPXzRr5VU/1T1ZLM4jeXWSC2IFbCMDFHTmNpt6au1H3cEF5IIgqfbC1nYh3XxULs8 p/mDOwECvwFm5KBo63/LgBI2SMBdvnU= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 9EA16AC97; Thu, 4 Feb 2021 13:02:31 +0000 (UTC) Date: Thu, 4 Feb 2021 14:02:22 +0100 From: Michal Hocko To: Mike Rapoport Subject: Re: [PATCH v16 07/11] secretmem: use PMD-size pages to amortize direct map fragmentation Message-ID: References: <73738cda43236b5ac2714e228af362b67a712f5d.camel@linux.ibm.com> <6de6b9f9c2d28eecc494e7db6ffbedc262317e11.camel@linux.ibm.com> <20210202124857.GN242749@kernel.org> <20210202191040.GP242749@kernel.org> <20210204095855.GQ242749@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210204095855.GQ242749@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210204_080235_215216_E198A633 X-CRM114-Status: GOOD ( 16.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Hildenbrand , Peter Zijlstra , Catalin Marinas , Dave Hansen , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, "H. Peter Anvin" , Christopher Lameter , Shuah Khan , Thomas Gleixner , Elena Reshetova , linux-arch@vger.kernel.org, Tycho Andersen , linux-nvdimm@lists.01.org, Will Deacon , x86@kernel.org, Matthew Wilcox , Mike Rapoport , Ingo Molnar , Michael Kerrisk , Palmer Dabbelt , Arnd Bergmann , James Bottomley , Hagen Paul Pfeifer , Borislav Petkov , Alexander Viro , Andy Lutomirski , Paul Walmsley , "Kirill A. Shutemov" , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , linux-fsdevel@vger.kernel.org, Shakeel Butt , Andrew Morton , Rick Edgecombe , Roman Gushchin Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu 04-02-21 11:58:55, Mike Rapoport wrote: > On Wed, Feb 03, 2021 at 10:12:22AM +0100, Michal Hocko wrote: [...] > > Wrt to the specific syscall, please document why existing interfaces are > > not a good fit as well. It would be also great to describe interaction > > with mlock itself (I assume the two to be incompatible - mlock will fail > > on and mlockall will ignore it). > > The interaction with mlock() belongs more to the man page, but I don't mind > adding this to changelog as well. I would expect this to be explicitly handled in the patch - thus the changelog rationale. -- Michal Hocko SUSE Labs _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel