I downloaded and built dpdk-stable-16.11.4 version (using x86_64-native-linuxapp-gcc target). I'm running Ubuntu 16.04.3 LTS. After setting up hugepages according to http://dpdk.org/doc/quick-start or http://dpdk.org/doc/guides-16.04/linux_gsg/sys_reqs.html
mkdir -p /mnt/huge mount -t hugetlbfs nodev /mnt/huge echo 64 > /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages I can see the hugepages fine. #cat /proc/meminfo | grep HugeAnonHugePages: 284672 kB ShmemHugePages: 0 kB HugePages_Total: 64 HugePages_Free: 64 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB But when I run the helloWorld example, it complained about no free hugepages, see below. #./build/helloworld -l 0-3 -n 2 EAL: Detected 4 lcore(s) EAL: No free hugepages reported in hugepages-1048576kB EAL: Probing VFIO support... hello from core 1 hello from core 2 hello from core 3 hello from core 0 Also, the memory info showed free hugepages were all gone. #cat /proc/meminfo | grep Huge AnonHugePages: 380928 kB ShmemHugePages: 0 kB HugePages_Total: 64 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB Any idea why this is happening? Gyp
