net/mlx4: add new memory region support

[dpdk.git] / doc / guides / nics / mlx4.rst

diff --git a/doc/guides/nics/mlx4.rst b/doc/guides/nics/mlx4.rst
index 0bac6d374b9001d6da8e756952eb4325a1e847f3..a6317547a0681214b825997c9a9f9cc4e08e5797 100644 (file)
--- a/doc/guides/nics/mlx4.rst
+++ b/doc/guides/nics/mlx4.rst
@@ -370,6 +370,12 @@ Performance tuning
         The XXX can be different on different systems. Make sure to configure
         according to the setpci output.
 
         The XXX can be different on different systems. Make sure to configure
         according to the setpci output.
 

+6. To minimize overhead of searching Memory Regions:
+
+   - '--socket-mem' is recommended to pin memory by predictable amount.
+   - Configure per-lcore cache when creating Mempools for packet buffer.
+   - Refrain from dynamically allocating/freeing memory in run-time.
+

 Usage example
 -------------
 
 Usage example
 -------------