From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 6 Sep 2003 10:36:02 +0200 (CEST) From: Ingo Molnar Reply-To: Ingo Molnar Subject: Re: [PATCH 1/2] remap file pages MAP_NONBLOCK fix In-Reply-To: <202200000.1062791080@flay> Message-ID: References: <202200000.1062791080@flay> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: "Martin J. Bligh" Cc: Rik van Riel , Jeff Garzik , Rajesh Venkatasubramanian , akpm@osdl.org, linux-mm@kvack.org List-ID: On Fri, 5 Sep 2003, Martin J. Bligh wrote: > >> Or we could just kill remap_file_pages(), because it's a PITA to > >> maintain and it has maybe 10 legitimate users in the entire world... > > > > It has its uses. I just don't think it should support > > a non-mlocked VMA or deal with files being truncated. > > > > The remap_file_pages we have in Taroon is pretty light > > weight. I hope the implementation in 2.6 will be > > simplified too ;) > > We did actually agree to do this at Kernel Summit too .... yep - i did most of the simplification for 2.4 and it worked out well. Having fremap a non-swappable thing lessens the impact on the rest of the VM quite significantly. Ingo -- 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