#89 Some systems don't support large malloc()s

[Anonymous]

From: Tonnerre Lombard <tonnerre@thundrix.ch>

On some systems it's impossible to allocate a lot of
memory using malloc(). This is what mmap(MAP_ANON) is
for, after all. Thus we change the malloc() call for a
mmap(MAP_ANON). If the memory needs to be shared, by
the way, just add MAP_SHARED.

WARNING: This patch will probably involve further
changes, so don't apply it to mainline at once!

[Nobody/Anonymous]

Replace huge malloc with tiny mmap

[John_K]

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Except for the fact that only *nix has mmap support.