diff options
Diffstat (limited to 'doc/guides/linux_gsg/sys_reqs.rst')
| -rw-r--r-- | doc/guides/linux_gsg/sys_reqs.rst | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst index 3d743421..3a28c9e5 100644 --- a/doc/guides/linux_gsg/sys_reqs.rst +++ b/doc/guides/linux_gsg/sys_reqs.rst @@ -79,14 +79,12 @@ Compilation of the DPDK * glibc.ppc64, libgcc.ppc64, libstdc++.ppc64 and glibc-devel.ppc64 for IBM ppc_64; -.. note:: - - x86_x32 ABI is currently supported with distribution packages only on Ubuntu - higher than 13.10 or recent Debian distribution. The only supported compiler is gcc 4.9+. + .. note:: -.. note:: + x86_x32 ABI is currently supported with distribution packages only on Ubuntu + higher than 13.10 or recent Debian distribution. The only supported compiler is gcc 4.9+. - Python, version 2.6 or 2.7, to use various helper scripts included in the DPDK package. +* Python, version 2.7+ or 3.2+, to use various helper scripts included in the DPDK package. **Optional Tools:** @@ -202,6 +200,12 @@ On a NUMA machine, pages should be allocated explicitly on separate nodes:: For 1G pages, it is not possible to reserve the hugepage memory after the system has booted. + On IBM POWER system, the nr_overcommit_hugepages should be set to the same value as nr_hugepages. + For example, if the required page number is 128, the following commands are used:: + + echo 128 > /sys/kernel/mm/hugepages/hugepages-16384kB/nr_hugepages + echo 128 > /sys/kernel/mm/hugepages/hugepages-16384kB/nr_overcommit_hugepages + Using Hugepages with the DPDK ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |