From 874ecbe2f31e629e8f68701038b5c3a4e2d7a321 Mon Sep 17 00:00:00 2001
From: mage1 <mage1@xiaomi.com>
Date: Wed, 3 Mar 2021 14:13:37 +0800
Subject: [PATCH] mm: add kconfig option to control the memory manger strategy
 choice.

since will will porvide more the one  strategy in future.

Change-Id: I73b900c6571f9b71b8239dd72006bdd0a68ee64d
---
 mm/Kconfig           | 17 +++++++++++++++++
 mm/mm_heap/Make.defs |  4 ++++
 2 files changed, 21 insertions(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index 788ae473c8..ed6065c6a3 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -3,6 +3,23 @@
 # see the file kconfig-language.txt in the NuttX tools repository.
 #
 
+choice
+	prompt "Build heap manager"
+	default MM_DEFAULT_MANAGER
+
+config MM_DEFAULT_MANAGER
+	bool "Default heap manager"
+	---help---
+		NuttX original memory manager strategy.
+
+config MM_CUSTOMIZE_MANAGER
+	bool "Customized heap manager"
+	---help---
+		Customized memory manger policy. The build will fail
+		if the MM heap module not defined by customer.
+
+endchoice
+
 config MM_KERNEL_HEAP
 	bool "Support a protected, kernel heap"
 	default y
diff --git a/mm/mm_heap/Make.defs b/mm/mm_heap/Make.defs
index c681fa94a2..b44f98862f 100644
--- a/mm/mm_heap/Make.defs
+++ b/mm/mm_heap/Make.defs
@@ -20,6 +20,8 @@
 
 # Core heap allocator logic
 
+ifeq ($(CONFIG_MM_DEFAULT_MANAGER),y)
+
 CSRCS += mm_initialize.c mm_sem.c mm_addfreechunk.c mm_size2ndx.c
 CSRCS += mm_malloc_usable_size.c mm_shrinkchunk.c
 CSRCS += mm_brkaddr.c mm_calloc.c mm_extend.c mm_free.c mm_mallinfo.c
@@ -38,3 +40,5 @@ endif
 
 DEPPATH += --dep-path mm_heap
 VPATH += :mm_heap
+
+endif # CONFIG_MM_DEFAULT_MANAGER