Chris Wilson 5ce86f88a0 Use mmap64() for performing the GTT mapping
Although the address space for GTT mappings may only be 32-bits, we need
to use the explicit 64-bit mmap interface so that on a 32-bit platform
the offset we pass is not truncated to 31-bits.

Fixes gem_mmap_offset_exhaustion on 32-bit platforms.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2012-04-12 15:47:00 +01:00
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