====== sysctl ======

===== huge pages =====

<code bash>
sysctl vm.nr_hugepages=32

cat /proc/meminfo
HugePages_Total:      95
HugePages_Free:       72
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
Hugetlb:          194560 kB
</code>