From: Xin Hao <xhao@xxxxxxxxxxxxxxxxx> Subject: mm/damon/sysfs: remove repeat container_of() in damon_sysfs_kdamond_release() In damon_sysfs_kdamond_release(), we have use container_of() to get "kdamond" pointer, so there no need to get it once again. Link: https://lkml.kernel.org/r/20220303075314.22502-1-xhao@xxxxxxxxxxxxxxxxx Signed-off-by: Xin Hao <xhao@xxxxxxxxxxxxxxxxx> Reviewed-by: SeongJae Park <sj@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/damon/sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/damon/sysfs.c~mm-damon-sysfs-remove-repeat-container_of-in-damon_sysfs_kdamond_release +++ a/mm/damon/sysfs.c @@ -2345,7 +2345,7 @@ static void damon_sysfs_kdamond_release( if (kdamond->damon_ctx) damon_destroy_ctx(kdamond->damon_ctx); - kfree(container_of(kobj, struct damon_sysfs_kdamond, kobj)); + kfree(kdamond); } static struct kobj_attribute damon_sysfs_kdamond_state_attr = _
