From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id 149B26B025F for ; Mon, 7 Aug 2017 11:48:52 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id r133so7532642pgr.6 for ; Mon, 07 Aug 2017 08:48:52 -0700 (PDT) Received: from mga07.intel.com (mga07.intel.com. [134.134.136.100]) by mx.google.com with ESMTPS id 60si5597106plb.982.2017.08.07.08.48.50 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Aug 2017 08:48:50 -0700 (PDT) Date: Mon, 7 Aug 2017 08:48:50 -0700 From: Andi Kleen Subject: Re: [PATCHv3 07/13] x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D variable Message-ID: <20170807154850.GF3946@tassilo.jf.intel.com> References: <20170807141451.80934-1-kirill.shutemov@linux.intel.com> <20170807141451.80934-8-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170807141451.80934-8-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Linus Torvalds , Andrew Morton , x86@kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org > +#ifdef CONFIG_X86_5LEVEL > +unsigned int pgdir_shift = 48; > +unsigned int ptrs_per_p4d = 512; should be both __read_mostly > +#ifdef CONFIG_X86_5LEVEL > +unsigned int pgdir_shift = 48; > +EXPORT_SYMBOL(pgdir_shift); > +unsigned int ptrs_per_p4d = 512; > +EXPORT_SYMBOL(ptrs_per_p4d); > +#endif Same. -Andi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org