Date: Sun, 21 Sep 1997 21:03:04 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Eivind Eklund <perhaps@yes.no> Cc: "Andrew Atrens" <atrens@nortel.ca>, hackers@freebsd.org, freebsd-bugs@freebsd.org Subject: Re: Bug in malloc/free (was: Memory leak in getservbyXXX?) Message-ID: <7810.874868584@critter.freebsd.dk> In-Reply-To: Your message of "Sun, 21 Sep 1997 19:37:02 %2B0200." <199709211737.TAA20833@bitbox.follo.net>
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In message <199709211737.TAA20833@bitbox.follo.net>, Eivind Eklund writes: >[Andrew Atrens] >> >From what I can tell Poul your free() actually gives the memory back to the >> OS ( at least some of the time ). > >If this is correct, it breaks ANSI C behaviour. (Yes, I hate this >ANSI C requirement as much as the next guy - but still thought I >should inform about it.) Bugger off :-) We merely tell the OS that we're not interested in the contents of the page. It's cheaper to zero-fill than to page out and back in. -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop."
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