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perf_counter: Generate mmap events for install_special_mapping()

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In order to track the vdso also generate mmap events for
install_special_mapping().

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 2009-06-05 14:04:55 +02:00 • committed by Ingo Molnar
commit 089dd79db9
3 changed files with 33 additions and 20 deletions
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5
mm/mmap.c
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@ -1220,8 +1220,7 @@ munmap_back:
if (correct_wcount)
atomic_inc(&inode->i_writecount);
out:
if (vm_flags & VM_EXEC)
perf_counter_mmap(addr, len, pgoff, file);
perf_counter_mmap(vma);
mm->total_vm += len >> PAGE_SHIFT;
vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
@ -2309,6 +2308,8 @@ int install_special_mapping(struct mm_struct *mm,
mm->total_vm += len >> PAGE_SHIFT;
perf_counter_mmap(vma);
return 0;
}