From f7991ce0a86c9bd62e0d74ee2a6857787fc60eb9 Mon Sep 17 00:00:00 2001
From: "Yann E. MORIN\"" <yann.morin.1998@anciens.enib.fr>
Date: Wed, 21 Oct 2009 23:45:55 +0200
Subject: config: add help for the MMU/noMMU entry


diff --git a/config/target.in b/config/target.in
index 4734a34..ab6efe3 100644
--- a/config/target.in
+++ b/config/target.in
@@ -52,6 +52,16 @@ config ARCH_USE_MMU
     prompt "Use the MMU" if ARCH_SUPPORTS_BOTH_MMU
     default n if ! ARCH_DEFAULT_HAS_MMU
     default y if ARCH_DEFAULT_HAS_MMU
+    help
+      If your architecture has an MMU and you want to use it,
+      say 'Y' here.
+      
+      OTOH, if you don't want to use the MMU, or your arch
+      lacks an MMU, say 'N' here.
+      
+      Note that some architectures (eg. ARM) has variants that
+      lacks an MMU (eg. ARM Cortex-M3), while other variants
+      have one (eg. ARM Cortex-A8).
 
 #--------------------------------------
 config ARCH_SUPPORTS_BOTH_ENDIAN
-- 
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