Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754222AbdDMQ3u (ORCPT ); Thu, 13 Apr 2017 12:29:50 -0400 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:51036 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751495AbdDMQ3s (ORCPT ); Thu, 13 Apr 2017 12:29:48 -0400 X-IronPort-AV: E=Sophos;i="5.37,195,1488841200"; d="scan'208";a="268985818" Date: Thu, 13 Apr 2017 18:29:46 +0200 From: Samuel Thibault To: Greg Kroah-Hartman , Arnd Bergmann , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC] Re: Costless huge virtual memory? /dev/same, /dev/null? Message-ID: <20170413162946.jxyzfdggia2gge76@var.youpi.perso.aquilenet.fr> Mail-Followup-To: Samuel Thibault , Greg Kroah-Hartman , Arnd Bergmann , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <20160229162835.GA2816@var.bordeaux.inria.fr> <20170413094200.b4lftvumqt4g36hz@var.youpi.perso.aquilenet.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170413094200.b4lftvumqt4g36hz@var.youpi.perso.aquilenet.fr> Organization: I am not organized User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 218 Lines: 5 (Ideally we'd be able to take the MAP_HUGETLB mmap flag into account to map a single huge page repeatedly, even lowering the populating cost, but AIUI of the current hugepage support it would be far from easy) Samuel