Published at LXer:
Among the new capabilities that landed in the Linux 4.14 update is the possibility for larger memory capacity utilization. The original x86-64 specification in Linux allowed for a limit 4 level of memory paging, providing a maximum of 256 TiB of virtual address space and 64 TiB of physical address space. A TiB or Tebibyte is approximately 1.1 Terabytes.
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