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=-8.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 D1971C433DF for ; Wed, 5 Aug 2020 19:57:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A944020842 for ; Wed, 5 Aug 2020 19:57:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="HWXVkRHw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729487AbgHET5I (ORCPT ); Wed, 5 Aug 2020 15:57:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45408 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727999AbgHEQoM (ORCPT ); Wed, 5 Aug 2020 12:44:12 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE2B5C034625; Wed, 5 Aug 2020 06:05:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=da1gRr0zZ2t7B4lRqNuRkoPDQjMi6ltCJuE8Al1tVCE=; b=HWXVkRHwN832dRG05UXHB0oBIw bVIHmST3idcP9ekdGW3zfjwF0Pw9NtKHZriMtDEWG2IfLDr6OCBzltDSMhOl6UaR4VB+MKj5TLP04 D+y2OfSJNRXduO2wurxCTyIhNrEbjOfxiC3fQ9kowloxLDsXYz+qNZBWskWkV4r67YJb5rni6tnxu zEaPdgkZf+diFOhUAogaiUm5PlxPfMHj+JY1pUqMrnKYwv3swkoiKxzB+3OAJw82jZfkAD5C/RvSG ZSbD7oGskSaQ/+z+rKi6n9bG70XhVIbZNtZ+0+ODNHwM6cKpRLNKr0S7UXSrAbxLcx/udZsOs7w26 cmMvbHww==; Received: from [2601:1c0:6280:3f0::19c2] by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k3J6n-0003pL-49; Wed, 05 Aug 2020 13:05:31 +0000 Subject: Re: [PATCH v3 3/6] mm: introduce memfd_secret system call to create "secret" memory areas To: Mike Rapoport , linux-kernel@vger.kernel.org Cc: Alexander Viro , Andrew Morton , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , Elena Reshetova , "H. Peter Anvin" , Idan Yaniv , Ingo Molnar , James Bottomley , "Kirill A. Shutemov" , Matthew Wilcox , Mark Rutland , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Thomas Gleixner , Tycho Andersen , Will Deacon , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org References: <20200804095035.18778-1-rppt@kernel.org> <20200804095035.18778-4-rppt@kernel.org> From: Randy Dunlap Message-ID: <1f52d43e-29e4-b175-73d5-0aa3c3e79f23@infradead.org> Date: Wed, 5 Aug 2020 06:05:18 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200804095035.18778-4-rppt@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/4/20 2:50 AM, Mike Rapoport wrote: > diff --git a/mm/Kconfig b/mm/Kconfig > index f2104cc0d35c..8378175e72a4 100644 > --- a/mm/Kconfig > +++ b/mm/Kconfig > @@ -872,4 +872,8 @@ config ARCH_HAS_HUGEPD > config MAPPING_DIRTY_HELPERS > bool > > +config SECRETMEM > + def_bool ARCH_HAS_SET_DIRECT_MAP && !EMBEDDED use tab above, not spaces. > + select GENERIC_ALLOCATOR > + > endmenu -- ~Randy