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ee53cbfb1e
We can simply set root memcg as the map's memcg to disable bpf memory accounting. bpf_map_area_alloc is a little special as it gets the memcg from current rather than from the map, so we need to disable GFP_ACCOUNT specifically for it. Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Link: https://lore.kernel.org/r/20230210154734.4416-4-laoar.shao@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>