MEMORY ALLOC FAILED: mmap failed

[luoweidd]

[2021-07-27 15:59:50] : Starting 1x thread, affinity: 0.
[2021-07-27 15:59:50] : hwloc: memory pinned
[2021-07-27 15:59:50] : Starting 1x thread, affinity: 1.
[2021-07-27 15:59:50] : MEMORY ALLOC FAILED: mmap failed
[2021-07-27 15:59:50] : hwloc: memory pinned
[2021-07-27 15:59:50] : Starting 1x thread, affinity: 2.
[2021-07-27 15:59:50] : MEMORY ALLOC FAILED: mmap failed
[2021-07-27 15:59:50] : hwloc: memory pinned
[2021-07-27 15:59:50] : Starting 1x thread, affinity: 3.
[2021-07-27 15:59:50] : MEMORY ALLOC FAILED: mmap failed
[2021-07-27 15:59:50] : hwloc: memory pinned
[2021-07-27 15:59:50] : Starting 1x thread, affinity: 4.
[2021-07-27 15:59:50] : MEMORY ALLOC FAILED: mmap failed
[2021-07-27 15:59:50] : hwloc: memory pinned
[2021-07-27 15:59:50] : MEMORY ALLOC FAILED: mmap failed

What's the problem? I'm not sure if there's a problem with my configuration. But this error always occurs and cannot run!