ki <luto@mit.edu> 1311277630 -0400
committer H. Peter Anvin <hpa@zytor.com> 1311280913 -0700

x86-64, vdso: Do not allocate memory for the vDSO

We can map the vDSO straight from kernel data, saving a few page
allocations.  As an added bonus, the deleted code contained a memory
leak.

Signed-off-by: Andy Lutomirski <luto@mit.edu>
Link: http://lkml.kernel.org/r/2c4ed5c2c2e93603790229e0c3403ae506ccc0cb.1311277573.git.luto@mit.edu
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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