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| author | Suren Baghdasaryan <[email protected]> | 2023-01-05 00:02:40 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-01-12 00:14:20 +0000 |
| commit | a1193de562f54c7c9f60ca9f2db96e50a7608de1 (patch) | |
| tree | 84e57f83389e63cd3c9e69ca17ef97465d1f32cd /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | mm/shmem: restore SHMEM_HUGE_DENY precedence over MADV_COLLAPSE (diff) | |
| download | kernel-a1193de562f54c7c9f60ca9f2db96e50a7608de1.tar.gz kernel-a1193de562f54c7c9f60ca9f2db96e50a7608de1.zip | |
mm: fix vma->anon_name memory leak for anonymous shmem VMAs
free_anon_vma_name() is missing a check for anonymous shmem VMA which
leads to a memory leak due to refcount not being dropped. Fix this by
calling anon_vma_name_put() unconditionally. It will free vma->anon_name
whenever it's non-NULL.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: d09e8ca6cb93 ("mm: anonymous shared memory naming")
Signed-off-by: Suren Baghdasaryan <[email protected]>
Suggested-by: David Hildenbrand <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Reported-by: [email protected]
Cc: Hugh Dickins <[email protected]>
Cc: Pasha Tatashin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions