Date: Sat, 16 Mar 2002 11:30:25 -0600 (CST) From: mark tinguely <tinguely@web.cs.ndsu.nodak.edu> To: freebsd-hackers@FreeBSD.ORG, rc27@cse.Buffalo.EDU Subject: Re: Memory management bug in FreeBSD 4.5 RELEASE Message-ID: <200203161730.g2GHUPp39177@web.cs.ndsu.nodak.edu> In-Reply-To: <200203161714.g2GHEcE11298@tarantula.cse.Buffalo.EDU>
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> 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.
dirty at least a byte of the data:
main(){ while (1) { char *p (char *) malloc(i); *p=0; }
if the memory has not been dirtied, the system does not need to remember
it when physical memory has been depleted.
--mark.
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