From: Richard Jones <rich@annexia.org>
To: caml-list@inria.fr
Subject: Re: [Caml-list] ocamlc.opt tries to allocate 34 GB of RAM ... and fails
Date: Wed, 7 May 2008 19:49:57 +0100 [thread overview]
Message-ID: <20080507184957.GA25416@annexia.org> (raw)
In-Reply-To: <f8560b80805071146w524c21c3n4a6f3732b2d8fc09@mail.gmail.com>
On Wed, May 07, 2008 at 02:46:49PM -0400, Markus Mottl wrote:
> On Wed, May 7, 2008 at 2:34 PM, Richard Jones <rich@annexia.org> wrote:
> > Also I checked the source to our caml_aligned_mmap function and it is
> > essentially the same as Markus Mottl's version in his comment in that
> > thread (this has been reported in 3.10.1 & 3.10.2). It even includes
> > a reference to that bug, indicating that the version we are using
> > includes this patch.
>
> Note that the patch does not guarantee anything. The mmap system call
> only considers the passed address as a hint, there is no guarantee
> that it will actually use it. This may be highly kernel-dependent.
OK, but is there any case where ocamlc.opt should try to allocate
34 _gigabytes_ (in the 2nd [length] param of mmap(2)).
Rich.
--
Richard Jones
Red Hat
next prev parent reply other threads:[~2008-05-07 18:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-07 17:01 Richard Jones
2008-05-07 17:35 ` [Caml-list] " Romain Beauxis
2008-05-07 18:34 ` Richard Jones
2008-05-07 18:46 ` Markus Mottl
2008-05-07 18:49 ` Richard Jones [this message]
2008-05-07 19:24 ` Markus Mottl
2008-05-07 19:29 ` Brian Hurt
2008-05-08 9:14 ` Richard Jones
2008-05-08 10:14 ` Richard Jones
2008-05-08 13:40 ` Markus Mottl
2008-05-08 13:55 ` Richard Jones
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