[root@localhost dpdk-19.11]# cat /proc/meminfo | grep -i huge
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 524288 kB
[root@localhost dpdk-19.11]# echo 256 /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
256 /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
[root@localhost dpdk-19.11]# cat /proc/meminfo | grep -i huge
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 524288 kB
[root@localhost dpdk-19.11]# mount | grep -i huge
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,seclabel,hugetlb)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,seclabel,pagesize=512M)
[root@localhost dpdk-19.11]# mount -t hugetlbfs nodev /mnt/huge
[root@localhost dpdk-19.11]# mount | grep -i huge
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,seclabel,hugetlb)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,seclabel,pagesize=512M)
nodev on /mnt/huge type hugetlbfs (rw,relatime,seclabel,pagesize=512M)
[root@localhost dpdk-19.11]# cat /proc/meminfo | grep -i huge
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 524288 kB
[root@localhost dpdk-19.11]# echo 256 /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
256 /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages
[root@localhost dpdk-19.11]# cat /proc/meminfo | grep -i huge
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 524288 kB
[root@localhost dpdk-19.11]# echo 64 > /sys/devices/system/node/node0/hugepages/hugepages-524288kB/nr_hugepages
[root@localhost dpdk-19.11]# echo 64 > /sys/devices/system/node/node1/hugepages/hugepages-524288kB/nr_hugepages
[root@localhost dpdk-19.11]# echo 64 > /sys/devices/system/node/node2/hugepages/hugepages-524288kB/nr_hugepages
[root@localhost dpdk-19.11]# echo 64 > /sys/devices/system/node/node3/hugepages/hugepages-524288kB/nr_hugepages
[root@localhost dpdk-19.11]# cat /proc/meminfo | grep -i huge
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
HugePages_Total: 256
HugePages_Free: 256
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 524288 kB
[root@localhost dpdk-19.11]#
