From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hoon.perlsupport.com (root@[24.92.174.199]) by kvack.org (8.8.7/8.8.7) with ESMTP id RAA00907 for ; Thu, 26 Nov 1998 17:10:06 -0500 Received: by hoon.perlsupport.com via sendmail from stdin id (Debian Smail3.2.0.102) for linux-mm@kvack.org; Fri, 27 Nov 1998 12:19:48 -0500 (EST) Date: Fri, 27 Nov 1998 12:19:48 -0500 From: Chip Salzenberg Subject: Re: [2.1.130-3] Page cache DEFINATELY too persistant... feature? Message-ID: <19981127121948.A327@perlsupport.com> References: <199811261236.MAA14785@dax.scot.redhat.com> <199811271602.QAA00642@dax.scot.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <199811271602.QAA00642@dax.scot.redhat.com>; from Stephen C. Tweedie on Fri, Nov 27, 1998 at 04:02:51PM +0000 Sender: owner-linux-mm@kvack.org To: "Stephen C. Tweedie" Cc: Linus Torvalds , Benjamin Redelings I , linux-kernel@vger.rutgers.edu, linux-mm@kvack.org List-ID: According to Stephen C. Tweedie: > On reflection, there is a completely natural way of distinguishing > between these two cases, and that is to extend the size of the > shrink_mmap() pass whenever we encounter many recently touched pages. This patch has _vastly_ improved my subjective impression of the VM behavior of 130-pre3. My computer is a laptop with 32M and a fairly slow (non-DMA) hard drive; after this patch, things that used to be quite slow -- especially Navigator -- seem much more snappy. Thanks! -- Chip Salzenberg - a.k.a. - "When do you work?" "Whenever I'm not busy." -- This is a majordomo managed list. To unsubscribe, send a message with the body 'unsubscribe linux-mm me@address' to: majordomo@kvack.org