1、查看共享内存id:
# ipcs -m
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 32768 root 644 72 2 dest
0x00000000 65537 root 644 16384 2 dest
0x00000000 98306 root 644 280 2 dest
2、根据id删除
ipcrm -m 98306
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