Signed-off-by: Keith Wiles <[email protected]>
---
doc/guides/faq/faq.rst | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/doc/guides/faq/faq.rst b/doc/guides/faq/faq.rst
index 5a324b2..98c1e33 100644
--- a/doc/guides/faq/faq.rst
+++ b/doc/guides/faq/faq.rst
@@ -54,7 +54,7 @@ If you need to change the number of pages, it is easier to
first remove the page
See the "Quick Start Setup Script" section in the :ref:`DPDK Getting Started
Guide <linux_gsg>` for more information.
-If I execute "l2fwd -c f -m 64 -n 3 -- -p 3", I get the following output,
indicating that there are no socket 0 hugepages to allocate the mbuf and ring
structures to?
+If I execute "l2fwd -l 0-3 -m 64 -n 3 -- -p 3", I get the following output,
indicating that there are no socket 0 hugepages to allocate the mbuf and ring
structures to?
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
I have set up a total of 1024 Hugepages (that is, allocated 512 2M pages to
each NUMA node).
@@ -80,6 +80,8 @@ For example, if your EAL coremask is 0xff0, the master core
will usually be the
taskset 0x10 ./l2fwd -c 0xff0 -n 2
+.. Note: Instead of '-c 0xff0' use the '-l 4-11' as a cleaner way to define
lcores.
+
In this way, the hugepages have a greater chance of being allocated to the
correct socket.
Additionally, a ``--socket-mem`` option could be used to ensure the
availability of memory for each socket, so that if hugepages were allocated on
the wrong socket, the application simply will not start.
--
2.8.0.GIT
