phk at phk.freebsd.dk
Fri Jan 4 05:28:41 PST 2008
In message <20080104131247.GA17816 at nagual.pp.ru>, Andrey Chernov writes:
>On Fri, Jan 04, 2008 at 12:57:11PM +0000, Poul-Henning Kamp wrote:
>> There is address space allocated to the process (via sbrk/mmap)
>> A subset of this, is address space allocated by the program (via malloc)
>> ...and then there is memory actually in use, which is an entirely different
>> thing, of which we currently only have some kind of clue in the VM
>Then, we need sysctl to fetch that "memory actually in use" from the
>kernel and compare that with getrlimit() which allows malloc() to return
>0 when needed.
No we don't.
Find a book that explains how Virtual Memory works.
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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