Add a Kconfig symbol to enable getting updates on any memory map
changes that might be done by some other module. This notification
mechanism can then be used to have a synchronous view of allocated and
free memory.

Signed-off-by: Sughosh Ganu <sughosh.g...@linaro.org>
---
 lib/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/Kconfig b/lib/Kconfig
index 189e6eb31a..9ea02ae006 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -74,6 +74,15 @@ config HAVE_PRIVATE_LIBGCC
 config LIB_UUID
        bool
 
+config MEM_MAP_UPDATE_NOTIFY
+       bool "Get notified of any changes to the memory map"
+       default y if EVENT && LMB && EFI_LOADER
+       help
+         Enable this option to get notification on any changes to the
+         memory that is allocated or freed. This will allow different
+         modules that allocate memory to have a synchronous view of available
+         and allocated memory.
+
 config RANDOM_UUID
        bool "GPT Random UUID generation"
        select LIB_UUID
-- 
2.34.1

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