From owner-freebsd-hackers  Sat Mar 16  9:14:45 2002
Delivered-To: freebsd-hackers@freebsd.org
Received: from tarantula.cse.Buffalo.EDU (tarantula.cse.Buffalo.EDU [128.205.39.16])
	by hub.freebsd.org (Postfix) with ESMTP id 3F77F37B404
	for <freebsd-hackers@freebsd.org>; Sat, 16 Mar 2002 09:14:43 -0800 (PST)
Received: (from rc27@localhost)
	by tarantula.cse.Buffalo.EDU (8.11.6+Sun/8.10.1) id g2GHEcE11298
	for freebsd-hackers@freebsd.org; Sat, 16 Mar 2002 12:14:38 -0500 (EST)
Date: Sat, 16 Mar 2002 12:14:38 -0500 (EST)
From: Ramkumar Chinchani <rc27@cse.Buffalo.EDU>
Message-Id: <200203161714.g2GHEcE11298@tarantula.cse.Buffalo.EDU>
To: freebsd-hackers@freebsd.org
Subject: Memory management bug in FreeBSD 4.5 RELEASE
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG


I wrote a small program as follows

int i = 32;

int
main(){ while (1) malloc(i); }


As long as i is in between 1 and 32, all memory is used up and all swap is used up, and then the process is killed.

Again, when i > 32, all seems well.

What could be the problem?

-Ram

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message