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SubjectRe: 2GB malloc impossible ?
Date
Followup to:  <370C8BBC.9BB0C5C3@ccas.ru>
By author: "Alexander V. Mirgorodsky" <mirg@ccas.ru>
In newsgroup: linux.dev.kernel
>
> Hi Riley.
>
> >I would suspect that's the space occupied by the kernel image and
> >whatever programs you're running at the time...
>
> I believe 700Mb is too much for kernel image, etc.: I can run two
> processes simultaneously each one malloc'ing and intensively memset'ing
> its own (1GB - eps) without Any swapping.
>
> BTW 700Mb looks like a hardcoded constant - it is always the same
> (0x2aaab000) with the only exception: systems with 3:1 split prefer to
> start allocation at smth like 0x4000b000.
>

I bet it is the end of libc.

-hpa
--
"The user's computer downloads the ActiveX code and simulates a 'Blue
Screen' crash, a generally benign event most users are familiar with
and that would not necessarily arouse suspicions."
-- Security exploit description on http://www.zks.net/p3/how.asp

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