From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 7 Jun 2001 13:59:26 -0300 (BRT) From: Marcelo Tosatti Subject: Re: VM tuning patch, take 2 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Jonathan Morton Cc: linux-mm@kvack.org List-ID: On Thu, 7 Jun 2001, Jonathan Morton wrote: > - new pages are still given an age of PAGE_AGE_START, which is 2. > PAGE_AGE_ADV has been increased to 4, and PAGE_AGE_MAX to 128. Pages which > are demand-paged in from swap are given an initial age of PAGE_AGE_MAX/2, > or 64 - this should help to keep these (expensive) pages around for as long > as possible. Ageing down is now done using a decrement instead of a > division by 2, preserving the age information for longer. Just one comment about this specific change. I would not like to tweak the PAGE_AGE_* values until we have centralized page aging. (ie only kswapd doing the aging) -- 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/