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perf_counter: Remove munmap stuff

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In name of keeping it simple, only track mmap events. Userspace
will have to remove old overlapping maps when it encounters them.

Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2009-06-04 17:08:58 +02:00 • committed by Ingo Molnar
commit d99e944620
3 changed files with 4 additions and 51 deletions
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6
mm/mmap.c
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@ -1756,12 +1756,6 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
do {
long nrpages = vma_pages(vma);
if (vma->vm_flags & VM_EXEC) {
perf_counter_munmap(vma->vm_start,
nrpages << PAGE_SHIFT,
vma->vm_pgoff, vma->vm_file);
}
mm->total_vm -= nrpages;
vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages);
vma = remove_vma(vma);