--- ./littlefs/littlefs/lfs_util.h	2022-11-11 03:32:30.000000000 +1100
+++ ./littlefs/littlefs/lfs_util.h	2023-04-21 12:25:27.987084276 +1000
@@ -28,6 +28,8 @@

 #ifndef LFS_NO_MALLOC
 #include <stdlib.h>
+#include <nuttx/mm/mm.h>
+#include "fs_heap.h"
 #endif
 #ifndef LFS_NO_ASSERT
 #include <assert.h>
@@ -218,7 +219,7 @@
 // Note, memory must be 64-bit aligned
 static inline void *lfs_malloc(size_t size) {
 #ifndef LFS_NO_MALLOC
-    return malloc(size);
+    return fs_heap_malloc(size);
 #else
     (void)size;
     return NULL;
@@ -228,7 +229,7 @@
 // Deallocate memory, only used if buffers are not provided to littlefs
 static inline void lfs_free(void *p) {
 #ifndef LFS_NO_MALLOC
-    free(p);
+    fs_heap_free(p);
 #else
     (void)p;
 #endif