diff options
| author | Quanmin Yan <yanquanmin1@huawei.com> | 2025-08-27 19:58:58 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-03 17:10:37 -0700 |
| commit | e6b543ca9806d7bced863f43020e016ee996c057 (patch) | |
| tree | 8c115b500405883cf607ba2c8ba3f26b2b08a5ba /tools/perf/scripts/python/libxed.py | |
| parent | 711f19dfd783ffb37ca4324388b9c4cb87e71363 (diff) | |
mm/damon/reclaim: avoid divide-by-zero in damon_reclaim_apply_parameters()
When creating a new scheme of DAMON_RECLAIM, the calculation of
'min_age_region' uses 'aggr_interval' as the divisor, which may lead to
division-by-zero errors. Fix it by directly returning -EINVAL when such a
case occurs.
Link: https://lkml.kernel.org/r/20250827115858.1186261-3-yanquanmin1@huawei.com
Fixes: f5a79d7c0c87 ("mm/damon: introduce struct damos_access_pattern")
Signed-off-by: Quanmin Yan <yanquanmin1@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: ze zuo <zuoze1@huawei.com>
Cc: <stable@vger.kernel.org> [6.1+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/libxed.py')
0 files changed, 0 insertions, 0 deletions