Re: big usermem kernel patch
On Thursday 19 May 2005 12:26, Camm Maguire <camm@enhanced.com> wrote:
> Greetings! It seems that we are in need of a 'big usermem' kernel
> patch in Debian, so I am considering contributing such a package. It
> appears there are two approaches on the net, both in various
> incarnations of redhat:
>
> 1) user-tunable /proc/self/mapped_base -- this allows setuid processes
> to move the base address at which shared libs are mapped from the
> default (on x86) of 0x40000000, allowing for much larger contiguous
> brk *or* mmaped space (up to 2.7 GB -- the oracle docs appear to
> refer to this. See also WOLK).
What about the 4/4 kernel patch? That should allow something > 3.5G of
address space to be mapped contiguously.
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