From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 29 Oct 2004 00:46:07 -0700 From: William Lee Irwin III Subject: Re: [PATCH 0/7] abstract pagetable locking and pte updates Message-ID: <20041029074607.GA12934@holomorphy.com> References: <4181EF2D.5000407@yahoo.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4181EF2D.5000407@yahoo.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Linux Memory Management List-ID: On Fri, Oct 29, 2004 at 05:20:13PM +1000, Nick Piggin wrote: > Known issues: Hugepages, nonlinear pages haven't been looked at > and are quite surely broken. TLB flushing (gather/finish) runs > without the page table lock, which will break at least SPARC64. > Additional atomic ops in copy_page_range slow down lmbench fork > by 7%. This raises the rather serious question of what you actually did besides rearranging Lameter's code. It had all the same problems; resolving them is a prerequisite to going anywhere with all this. -- wli -- 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: aart@kvack.org