hugepage

[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 ]# 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@machine ]# cat  /proc/sys/vm/nr_hugepages
1024