Re: [PATCH v2 0/3] cgroup/dmem: allow atomic irrestrictive writes to dmem.max

From: Tejun Heo

Date: Sat Mar 21 2026 - 15:27:24 EST


Hello,

Generally looks okay to me. One comment on 3/3 â?? the naked xchg() in
set_resource_max() needs a comment explaining why it's used instead of
page_counter_set_max() and what the semantics are (unconditionally sets max
regardless of current usage to prevent further allocations, since there's no
eviction mechanism yet).

Applied 1/3. Maarten, Michal, what do you think?

Thanks.
--
tejun