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x86, vdso: Unmap vdso pages

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We mapped vdso pages but never unmapped them and the virtual address
is lost after exiting from the function, so unmap vdso pages here.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
LKML-Reference: <20100802004934.GA2505@sli10-desk.sh.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Shaohua Li 2010-08-02 08:49:34 +08:00 committed by H. Peter Anvin
parent 9fe6206f40
commit be783a4721
1 changed files with 1 additions and 0 deletions
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arch/x86/vdso/vma.c
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@ -67,6 +67,7 @@ static int __init init_vdso_vars(void)
*(typeof(__ ## x) **) var_ref(VDSO64_SYMBOL(vbase, x), #x) = &__ ## x;
#include "vextern.h"
#undef VEXTERN
vunmap(vbase);
return 0;
oom: