From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail190.messagelabs.com (mail190.messagelabs.com [216.82.249.51]) by kanga.kvack.org (Postfix) with SMTP id C0D966B0088 for ; Wed, 3 Jun 2009 16:36:38 -0400 (EDT) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id D46D382CD19 for ; Wed, 3 Jun 2009 16:51:26 -0400 (EDT) Received: from smtp.ultrahosting.com ([74.213.175.254]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id j-L-YAYzUsk0 for ; Wed, 3 Jun 2009 16:51:26 -0400 (EDT) Received: from gentwo.org (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id 7961382CD0F for ; Wed, 3 Jun 2009 16:51:20 -0400 (EDT) Date: Wed, 3 Jun 2009 16:36:19 -0400 (EDT) From: Christoph Lameter Subject: Re: Security fix for remapping of page 0 (was [PATCH] Change ZERO_SIZE_PTR to point at unmapped space) In-Reply-To: <7e0fb38c0906031316n7aeed974xf15f8af5a3b04f63@mail.gmail.com> Message-ID: References: <20090530230022.GO6535@oblivion.subreption.com> <20090603183939.GC18561@oblivion.subreption.com> <7e0fb38c0906031214lf4a2ed2x688da299e8cb1034@mail.gmail.com> <7e0fb38c0906031251h6844ea08y2dbfa09a7f46eb5f@mail.gmail.com> <7e0fb38c0906031316n7aeed974xf15f8af5a3b04f63@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Eric Paris Cc: Linus Torvalds , "Larry H." , Alan Cox , linux-mm@kvack.org, Rik van Riel , linux-kernel@vger.kernel.org, pageexec@freemail.hu, jmorris@namei.org List-ID: On Wed, 3 Jun 2009, Eric Paris wrote: > > Thats easy to do but isnt it a bit weird now to configure mmap_min_addr? > > ?? The use of mmap_min_addr depends on the security configuration chose. The security model may not check at all. But we can still configure the thing. > > What about round_hint_to_min()? > > not sure what you mean.... We removed the CONFIG_SECURITY around code in there in the patch. -- 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