dpdk 18.11的变化之内存管理

对于 dpdk 18.11 中：

查看剩余可用的大页的函数为：get_num_hugepages / get_num_hugepages_on_node;

获取大页大小：get_default_hp_size

命令行查看方法如下：

# cat /sys/devices/system/node/node0/hugepages/hugepages-1048576kB/free_hugepages
77

# cat /sys/devices/system/node/node1/hugepages/hugepages-1048576kB/free_hugepages
79

# cat /proc/meminfo | grep -i hug
AnonHugePages:      4096 kB
HugePages_Total:     200
HugePages_Free:      156
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:    1048576 kB

参考

​​https://software.intel.com/content/www/us/en/develop/articles/memory-in-dpdk-part-4-1811-and-beyond.html​​

​​https://doc.dpdk.org/guides-18.11/rel_notes/release_18_11.html​​