Hi Chen,

On 1/28/26 10:31 PM, Chen Ridong wrote:
From: Chen Ridong <[email protected]>

The current cgroup subsystem limit of 16 is insufficient, as the number of
subsystems has already reached this maximum. Attempting to add new
subsystems beyond this limit results in boot failures.

This patch increases the maximum number of supported cgroup subsystems from
16 to 32, providing adequate headroom for future subsystem additions.

Signed-off-by: Chen Ridong <[email protected]>
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[...]

I gave this a run with with 32 controllers enabled (16 pre-existing, 16
custom) and can confirm it works as expected.

Tested-by: JP Kobryn <[email protected]>
Acked-by: JP Kobryn <[email protected]>

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