diff options
| author | Miaohe Lin <[email protected]> | 2022-04-28 23:16:14 -0700 |
|---|---|---|
| committer | akpm <[email protected]> | 2022-04-28 23:16:14 -0700 |
| commit | 3c9fe8b8f5e3e30bfa81eeeff4bc34c0fb67b739 (patch) | |
| tree | f6a07150f94cb5db7b0128f0825d10c508459c16 /tools/perf/scripts/python | |
| parent | f433195679a9639a3af5be03bcb9c3d933e3b261 (diff) | |
mm/mremap: avoid unneeded do_munmap call
When old_len == new_len, do_munmap will return -EINVAL due to len == 0.
This errno will be simply ignored because of old_len != new_len check. So
it is unnecessary to call do_munmap when old_len == new_len because
nothing is actually done.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Miaohe Lin <[email protected]>
Acked-by: David Hildenbrand <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions