From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 25 Jan 2006 16:52:36 -0600 From: Dave McCracken Subject: Re: [PATCH/RFC] Shared page tables Message-ID: In-Reply-To: <200601251648.58670.raybry@mpdtxmail.amd.com> References: <200601241743.28889.raybry@mpdtxmail.amd.com> <07A9BE6C2CADACD27B259191@[10.1.1.4]> <200601251648.58670.raybry@mpdtxmail.amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: owner-linux-mm@kvack.org Return-Path: To: Ray Bryant Cc: Robin Holt , Hugh Dickins , Linux Kernel , Linux Memory Management List-ID: --On Wednesday, January 25, 2006 16:48:58 -0600 Ray Bryant wrote: > Empirically, at least on Opteron, it looks like the first page of pte's > is never shared, even if the alignment of the mapped region is correct > (i. e. a 2MB boundary for X86_64). Is that what you expected? If the region is aligned it should be shared. I'll investigate. Thanks, Dave -- 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