Date: Wed, 20 Mar 2002 15:29:06 -0500 (EST) From: Jeff Roberson <jroberson@chesapeake.net> To: Alfred Perlstein <bright@mu.org> Cc: net@freebsd.org Subject: Re: Getting rid of maxsockets. Message-ID: <20020320152654.J41335-100000@mail.chesapeake.net> In-Reply-To: <20020320194111.GK455@elvis.mu.org>
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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
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