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| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-05-16 14:51:32 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-05-16 16:20:45 +0200 |
| commit | 7595afa4d30097c1177b69257118d8ad89a539be (patch) | |
| tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /doc/guides/linux_gsg/sys_reqs.rst | |
| parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) | |
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
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 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |