ARM64 Hugepage(HugeTLB) Size

ARM64 and x86 hugepage size are different.

Debian/Ubuntu ARM64 kernel (4KB Pagesize)
Hugepage size is 2MB/1GB

64KB Pagesize, hugepage is 512MB.

2MB : (has PSE cpuinfo flag)
1GB : (has PDPE1GB cpuinfo flag)

different configuration has different setting


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