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cgroup/cpuset-v1: Add deprecation messages to memory_migrate

Memory migration (between cgroups) was given up in v2 due to performance
reasons of its implementation. Migration between NUMA nodes within one
memcg may still make sense to modify affinity at runtime though.

Signed-off-by: Michal Koutný <mkoutny@suse.com>
Acked-by: Waiman Long <longman@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

authored by

Michal Koutný and committed by
Tejun Heo db4dc20c 31381927

+1
+1
kernel/cgroup/cpuset-v1.c
··· 477 477 retval = cpuset_update_flag(CS_SCHED_LOAD_BALANCE, cs, val); 478 478 break; 479 479 case FILE_MEMORY_MIGRATE: 480 + pr_info_once("cpuset.%s is deprecated\n", cft->name); 480 481 retval = cpuset_update_flag(CS_MEMORY_MIGRATE, cs, val); 481 482 break; 482 483 case FILE_MEMORY_PRESSURE_ENABLED: