From: Timothy Writer <tim@starnix.com>
To: Sven Wischnowsky <wischnow@informatik.hu-berlin.de>
Cc: zsh-workers@sunsite.auc.dk
Subject: Re: zsh and memory
Date: 16 Dec 1999 13:01:02 -0500 [thread overview]
Message-ID: <m3wvqeahpd.fsf@ganesh.ftlsol.com> (raw)
In-Reply-To: Sven Wischnowsky's message of "Thu, 16 Dec 1999 11:39:48 +0100 (MET)"
Sven Wischnowsky <wischnow@informatik.hu-berlin.de> writes:
> I wrote:
>
> > I'm really tempted to allocate heaps using mmap()
> > (anonymous) to get them out of the way of the zalloc() allocator. I
> > small test showed that with this I only get 39KB of free memory after
> > the completion test, which is really not too bad. I don't have a patch
> > for that yet, though.
>
> ... and now I don't think I'll ever write one: neither Solaris nor
> Linux seem to have MAP_ANONYMOUS. Sniff.
Hmmm ... how are you calling mmap exactly? I've definitely used
MAP_ANONYMOUS on Linux (as far back as kernel 1.3) and I think I've used it
on Solaris too. Linux doesn't have shared anonymous mappings, i.e. you have
to use MAP_PRIVATE with MAP_ANONYMOUS.
--
tim writer <tim@starnix.com> starnix inc.
tollfree: 1-87-pro-linux brampton, ontario, canada
http://www.starnix.com professional linux services & products
next prev parent reply other threads:[~1999-12-16 18:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-16 10:39 Sven Wischnowsky
1999-12-16 11:16 ` Mike Fletcher
1999-12-16 18:01 ` Timothy Writer [this message]
-- strict thread matches above, loose matches on Subject: below --
1999-12-17 11:49 Sven Wischnowsky
1999-12-17 10:40 Sven Wischnowsky
1999-12-16 9:56 Sven Wischnowsky
1999-12-17 7:16 ` Bart Schaefer
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