doc: fix a typo in EAL guide

The correct name for virt2memseg API is `rte_mem_virt2memseg`, not
`rte_virt2memseg`.

Fixes: 950e8fb4e194 ("mem: allow registering external memory areas")
Cc: stable@dpdk.org
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>

diff --git a/doc/guides/prog_guide/env_abstraction_layer.rst b/doc/guides/prog_guide/env_abstraction_layer.rst
index 6e7c208..48a2fec 100644 (file)
--- a/doc/guides/prog_guide/env_abstraction_layer.rst
+++ b/doc/guides/prog_guide/env_abstraction_layer.rst
@@ -297,7 +297,7 @@ set of API's under the ``rte_extmem_*`` namespace.
 
 These API's are (as their name implies) intended to allow registering or
 unregistering externally allocated memory to/from DPDK's internal page table, to
-allow API's like ``rte_virt2memseg`` etc. to work with externally allocated
+allow API's like ``rte_mem_virt2memseg`` etc. to work with externally allocated
 memory. Memory added this way will not be available for any regular DPDK
 allocators; DPDK will leave this memory for the user application to manage.