From owner-freebsd-current Wed Apr 30 13:07:34 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id NAA14349 for current-outgoing; Wed, 30 Apr 1997 13:07:34 -0700 (PDT) Received: from who.cdrom.com (who.cdrom.com [204.216.27.3]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id NAA14299 for ; Wed, 30 Apr 1997 13:07:19 -0700 (PDT) Received: from critter.dk.tfs.com (phk.cybercity.dk [195.8.129.17]) by who.cdrom.com (8.8.5/8.6.11) with ESMTP id MAA07351 ; Wed, 30 Apr 1997 12:53:01 -0700 (PDT) Received: from critter (localhost [127.0.0.1]) by critter.dk.tfs.com (8.8.5/8.8.5) with ESMTP id VAA00565; Wed, 30 Apr 1997 21:51:43 +0200 (CEST) To: Julian Elischer cc: Poul-Henning Kamp , Doug Rabson , current@freebsd.org From: Poul-Henning Kamp Subject: Re: vnode->v_usage In-reply-to: Your message of "Wed, 30 Apr 1997 11:58:22 PDT." <3367964E.59E2B600@whistle.com> Date: Wed, 30 Apr 1997 21:51:43 +0200 Message-ID: <563.862429903@critter> Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In message <3367964E.59E2B600@whistle.com>, Julian Elischer writes: >Poul-Henning Kamp wrote: >> > >> Well, I've done it. Here is a patch that implements LRU for name-cache >> hits on the vnode freelist. I doubt that it has any performance impact, >> but it makes the vnode 4 bytes smaller, which is a good thing. > >Why? are they just over a power of 2 in length now? >do we need to lose 4 bytes? We are just below 2^7 bytes, but I will need some more space, so these 4 bytes will be needed for better purposes than this. -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@tfs.com TRW Financial Systems, Inc. Power and ignorance is a disgusting cocktail.