selftests/cgroup: Fix cg_run_in_subcgroups ignoring arg parameter

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cg_run_in_subcgroups() discards its arg and always passes NULL to cg_run(),
turning the (void *)100 from test_kmem_dead_cgroups() into NULL so no
allocation occurs.

This makes test_kmem_dead_cgroups() falsely pass without exercising the
"dying cgroup with charged slab" scenario it intends to test.

Pass the arg through to cg_run() to fix this.

Fixes: 933dc80ec2 ("kselftests: cgroup: add kernel memory accounting tests")
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Reviewed-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Hongfu Li 2026-08-20 15:09:44 +08:00 • committed by Tejun Heo

parent 0c893d170f

commit a8c6daab4b

1 changed files with 1 additions and 1 deletions

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tools/testing/selftests/cgroup/test_kmem.c

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