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 0bac6d3..a631754 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.
 
+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
 -------------