Changes in kernel/generic/src/mm/frame.c [2cc7f16:77b52f0] in mainline

File:

• kernel/generic/src/mm/frame.c (modified) (2 diffs)

kernel/generic/src/mm/frame.c

@@ -1270 +1270 @@
 /** Adjust bounds of physical memory region according to low/high memory split.
  *
- * @param low[in]       If true, the adjustment is performed to make the region
+ * @param low[in]       If true, the adujstment is performed to make the region
  *                      fit in the low memory. Otherwise the adjustment is
  *                      performed to make the region fit in the high memory.
@@ -1282 +1282 @@
 bool frame_adjust_zone_bounds(bool low, uintptr_t *basep, size_t *sizep)
 {
-        uintptr_t limit = KA2PA(config.identity_base) + config.identity_size;
+        // FIXME: This might lead to overflow if the identity_size is too big
+        // but it is necessary if the PA identity_base > identity_size
+        const uintptr_t limit =
+            KA2PA(config.identity_base) + config.identity_size;
 
         if (low) {