From mboxrd@z Thu Jan 1 00:00:00 1970 From: Herbert Xu Subject: Re: Avoiding external fragmentation with a placement policy Version 12 In-Reply-To: <429FFC21.1020108@yahoo.com.au> Message-Id: Date: Sat, 04 Jun 2005 11:44:30 +1000 Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: mbligh@mbligh.org, davem@davemloft.net, jschopp@austin.ibm.com, mel@csn.ul.ie, linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@osdl.org List-ID: Nick Piggin wrote: > > network code. If the latter, that would suggest at least in theory > it could use noncongiguous physical pages. With Dave's latest super-TSO patch, TCP over loopback will only be doing order-0 allocations in the common case. UDP and others may still do large allocations but that logic is all localised in ip_append_data. So if we wanted we could easily remove most large allocations over the loopback device. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- 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