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

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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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Andy Lutomirski 2011-07-21 15:47:10 -04:00 • committed by H. Peter Anvin

parent ae7bd11b47

commit aafade242f

2 changed files with 19 additions and 21 deletions

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15

arch/x86/vdso/vdso.S

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25

arch/x86/vdso/vma.c

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