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-rw-r--r--nuttx/arch/README.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/nuttx/arch/README.txt b/nuttx/arch/README.txt
index c01215963..64a77e924 100644
--- a/nuttx/arch/README.txt
+++ b/nuttx/arch/README.txt
@@ -78,6 +78,10 @@ defconfig -- This is a configuration file similar to the Linux
CONFIG_DEBUG_VERBOSE - enables verbose debug output
CONFIG_HAVE_LOWPUTC - architecture supports low-level, boot
time console output
+ CONFIG_MM_REGIONS - If the architecture includes multiple
+ regions of memory to allocate from, this specifies the
+ number of memory regions that the memory manager must
+ handle and enables the API mm_addregion(start, end);
CONFIG_RR_INTERVAL - The round robin timeslice will be set
this number of milliseconds; Round robin scheduling can
be disabled by setting this value to zero.