From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by wr-out-0506.google.com with SMTP id i31so575405wra for ; Fri, 19 Jan 2007 18:42:17 -0800 (PST) Message-ID: <8bd0f97a0701191835y49a61e7jb65a3b63f906ca56@mail.gmail.com> Date: Fri, 19 Jan 2007 21:35:43 -0500 From: "Mike Frysinger" Subject: Re: [RPC][PATCH 2.6.20-rc5] limit total vfs page cache In-Reply-To: <45B17D6D.2030004@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6d6a94c50701171923g48c8652ayd281a10d1cb5dd95@mail.gmail.com> <45B0DB45.4070004@linux.vnet.ibm.com> <6d6a94c50701190805saa0c7bbgbc59d2251bed8537@mail.gmail.com> <45B112B6.9060806@linux.vnet.ibm.com> <6d6a94c50701191804m79c70afdo1e664a072f928b9e@mail.gmail.com> <45B17D6D.2030004@yahoo.com.au> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Aubrey Li , Vaidyanathan Srinivasan , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andrew Morton , "linux-os (Dick Johnson)" , Robin Getz , "Hennerich, Michael" List-ID: On 1/19/07, Nick Piggin wrote: > Luckily, there are actually good, robust solutions for your higher > order allocation problem. Do higher order allocations at boot time, > modifiy userspace applications, or set up otherwise-unused, or easily > reclaimable reserve pools for higher order allocations. I don't > understand why you are so resistant to all of these approaches? in a nutshell ... the idea is to try and generalize these things your approach involves tweaking each end solution to maximize the performance our approach is to teach the kernel some more tricks so that each solution need not be tweaked these are at obvious odds as they tackle the problem by going in pretty much opposite directions ... yours leads to a tighter system in the end, but ours leads to much more rapid development and deployment -mike -- 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