Date: Wed, 14 Jun 2006 10:23:50 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Krassimir Slavchev <krassi@bulinfo.net>, jasone@freebsd.org Subject: Re: memory leak in free() Message-ID: <200606141023.51185.jhb@freebsd.org> In-Reply-To: <448FC3AF.9060606@bulinfo.net> References: <448FC3AF.9060606@bulinfo.net>
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On Wednesday 14 June 2006 04:07, Krassimir Slavchev wrote:
> Hello,
>=20
> This simple code demonstrates the problem:
>=20
> int main ()
> {
> char* buffer1;
> char* buffer2;
> int size =3D 2*1024*1024 + 1;
>=20
> for(;;) {
> buffer1 =3D (char *) malloc(size);
> buffer2 =3D (char *) malloc(size);
>=20
> free(buffer1);
> free(buffer2);
> }
> }
>=20
> The second free() does not free allocated memory if size >2Mb.
>=20
> On 6.1-STABLE all is OK.
This is probably an issue with jemalloc, I've cc'd jasone@ who wrote the
new malloc() in HEAD.
=2D-=20
John Baldwin <jhb@FreeBSD.org> =A0<>< =A0http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" =A0=3D =A0http://www.FreeBSD.org
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