From owner-freebsd-net Wed Mar 20 12:29:14 2002 Delivered-To: freebsd-net@freebsd.org Received: from mail.chesapeake.net (chesapeake.net [205.130.220.14]) by hub.freebsd.org (Postfix) with ESMTP id 196F737B400 for ; Wed, 20 Mar 2002 12:29:08 -0800 (PST) Received: from localhost (jroberson@localhost) by mail.chesapeake.net (8.11.6/8.11.6) with ESMTP id g2KKT6b35515; Wed, 20 Mar 2002 15:29:06 -0500 (EST) (envelope-from jroberson@chesapeake.net) Date: Wed, 20 Mar 2002 15:29:06 -0500 (EST) From: Jeff Roberson To: Alfred Perlstein Cc: net@freebsd.org Subject: Re: Getting rid of maxsockets. In-Reply-To: <20020320194111.GK455@elvis.mu.org> Message-ID: <20020320152654.J41335-100000@mail.chesapeake.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wed, 20 Mar 2002, Alfred Perlstein wrote: > > That depends on what this implies. :) > > Does it mean that when giving M_NOWAIT there's a chance it may fail > more often than the old zone allocator? Meaning does M_NOWAIT mean > "only allocate from cache" or do you do close to the same thing that > the zone allocator does except in a more flexible manner? > > Sorry if the question is niave, I'm not extremely familiar with the > previous and current code. > Currently it means, if I can't get KVA or a page to back it, return NULL. It just stops operations that would REALLY block. The old code reserved the KVA up front and just found a page at interrupt time. Jeff To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message