mbuf: remove control mbuf

[dpdk.git] / doc / guides / prog_guide / overview.rst

diff --git a/doc/guides/prog_guide/overview.rst b/doc/guides/prog_guide/overview.rst
index 6603409..af411fd 100644 (file)
--- a/doc/guides/prog_guide/overview.rst
+++ b/doc/guides/prog_guide/overview.rst
@@ -112,6 +112,8 @@ The services provided by the EAL are:
 
 *   Alarm operations
 
+*   Memory management (malloc)
+
 The EAL is fully described in :ref:`Environment Abstraction Layer <Environment_Abstraction_Layer>`.
 
 Core Components
@@ -120,22 +122,12 @@ Core Components
 The *core components* are a set of libraries that provide all the elements needed
 for high-performance packet processing applications.
 
-.. _pg_figure_1:
-
-**Figure 1. Core Components Architecture**
-
-.. image2_png has been replaced
+.. _figure_architecture-overview:
 
-|architecture-overview|
+.. figure:: img/architecture-overview.*
 
-Memory Manager (librte_malloc)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+   Core Components Architecture
 
-The librte_malloc library provides an API to allocate memory from the memzones created from the hugepages instead of the heap.
-This helps when allocating large numbers of items that may become susceptible to TLB misses
-when using typical 4k heap pages in the Linux user space environment.
-
-This memory allocator is fully described in :ref:`Malloc Library <Malloc_Library>`.
 
 Ring Manager (librte_ring)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -165,8 +157,8 @@ The mbuf library provides the facility to create and destroy buffers
 that may be used by the DPDK application to store message buffers.
 The message buffers are created at startup time and stored in a mempool, using the DPDK mempool library.
 
-This library provide an API to allocate/free mbufs, manipulate control message buffers (ctrlmbuf) which are generic message buffers,
-and packet buffers (pktmbuf) which are used to carry network packets.
+This library provides an API to allocate/free mbufs, manipulate
+packet buffers which are used to carry network packets.
 
 Network Packet Buffer Management is described in :ref:`Mbuf Library <Mbuf_Library>`.
 
@@ -203,5 +195,3 @@ librte_net
 The librte_net library is a collection of IP protocol definitions and convenience macros.
 It is based on code from the FreeBSD* IP stack and contains protocol numbers (for use in IP headers),
 IP-related macros, IPv4/IPv6 header structures and TCP, UDP and SCTP header structures.
-
-.. |architecture-overview| image:: img/architecture-overview.svg