18319498fdd4 ("memcg: enable accounting of ipc resources")
bc8136a543aa ("ipc: use kmalloc for msg_queue and shmid_kernel")
fc37a3b8b438 ("ipc sem: use kvmalloc for sem_undo allocation")
4a2ae92993be ("ipc/sem.c: replace kvmalloc/memset with kvzalloc and use struct_size")