Date: Wed, 9 Jul 1997 15:00:01 -0700 (PDT) From: David Greenman <dg@root.com> To: freebsd-bugs Subject: Re: kern/4070: cannot access over 64MB memory Message-ID: <199707092200.PAA14688@hub.freebsd.org>
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The following reply was made to PR kern/4070; it has been noted by GNATS.
From: David Greenman <dg@root.com>
To: jin@adv-pc-1.lbl.gov
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: kern/4070: cannot access over 64MB memory
Date: Wed, 09 Jul 1997 14:59:15 -0700
> options "MAXMEM=(256x1024)"
> supposes to enable more than 64 MB memory, but only 64MB memory
> can be accessed regardless how many memory detected by kernel.
>
># dmesg | grep mem
>real memory = 134217728 (131072K bytes)
>Physical memory hole(s):
>avail memory = 127311872 (124328K bytes)
...
>mem-test [S20-1] : no enough core available for inbuf -> 1H x 6000000H = 100663296; Error<12> Cannot allocate memory
The error is returned because you hit the process resource limit, not
because the system didn't have enough memory.
># limit
...
>datasize 131072 kbytes
Malloc is kind of strange when it comes to allocating the virtual address
space and will consume up to twice the amount requested. If you want to malloc
more than 64MB, you'll need to further increase the data limit.
-DG
David Greenman
Core-team/Principal Architect, The FreeBSD Project
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