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[root@machine ~]# cat /proc/meminfo | grep -i hugepage
AnonHugePages: 26826752 kB
HugePages_Total: 2048
HugePages_Free: 1024
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
# vm.nr_hugepages = 1024 # append this to sysctl file to persist it.
[root@machine yuli]# grep -i huge /proc/meminfo
AnonHugePages: 663552 kB
ShmemHugePages: 0 kB
FileHugePages: 0 kB
HugePages_Total: 1024
HugePages_Free: 327
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
Hugetlb: 2097152 kB
[root@ts-mum1-dsr12 ]# cat /proc/sys/vm/nr_hugepages
1024