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Chapter 5. Software/Driver Configuration and Fine Tuning
5. Software/Driver Configuration and Fine Tuning
5.1.
Huge Pages
5.1.1. Using script
Run the res_hugepages.sh shell script (copied to /sbin during installation):
[root@host~]# res_hugepages.sh
5.1.2. Manual
i.
Mount hugetlbfs:
[root@host~]# mkdir -p /mnt/huge
[root@host~]# mount -t hugetlbfs nodev /mnt/huge
ii. Reserve Huge Page memory manually:
x86_64
[root@host~]# echo 1024 >
/sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
POWERPC64
[root@host~]# echo 512 > /sys/devices/system/node/node0/hugepages/hugepages-
16384kB/nr_hugepages
In case of dual socket machines, run the above command for other CPU nodes.
Chelsio DPDK Driver for Linux
14
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