X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Flinux_gsg%2Fsys_reqs.rst;h=10b01e31870affcb50236a47c460aa88bc684521;hb=8c7a31317b0ec128d25b30cd56db94c144ceaaa2;hp=8ec3af491354466ba894aebc8496388fb8def875;hpb=d993b0129a2a693e34e3ba86295e703acd67349d;p=dpdk.git diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst index 8ec3af4913..10b01e3187 100644 --- a/doc/guides/linux_gsg/sys_reqs.rst +++ b/doc/guides/linux_gsg/sys_reqs.rst @@ -70,6 +70,15 @@ Compilation of the DPDK * libnuma-dev in Debian/Ubuntu; + .. note:: + + On systems with NUMA support, `libnuma-dev` (aka `numactl-devel`) + is a recommended dependency when `--legacy-mem` switch is used, + and a *required* dependency if default memory mode is used. + While DPDK will compile and run without `libnuma` + even on NUMA-enabled systems, + both usability and performance will be degraded. + * Python, version 2.7+ or 3.2+, to use various helper scripts included in the DPDK package. @@ -169,7 +178,7 @@ In the case of a dual-socket NUMA system, the number of hugepages reserved at boot time is generally divided equally between the two sockets (on the assumption that sufficient memory is present on both sockets). -See the Documentation/kernel-parameters.txt file in your Linux source tree for further details of these and other kernel options. +See the Documentation/admin-guide/kernel-parameters.txt file in your Linux source tree for further details of these and other kernel options. **Alternative:**