Add content to the memory man page

2 files changed, 5 insertions, 0 deletions

diff --git a/kern/atomic.h b/kern/atomic.h
index ae0ceeb9..2ecb28f7 100644
--- a/kern/atomic.h
+++ b/kern/atomic.h
@@ -26,6 +26,9 @@
  *
  * TODO Replace mentions of "memory barriers" throughout the code with
  * C11 memory model terminology.
+ *
+ * TODO Decide if architecture-specific atomic operations should be
+ * provided, and if so, how.
  */
 
 #ifndef KERN_ATOMIC_H
diff --git a/kern/atomic_i.h b/kern/atomic_i.h
index 2d78e2ec..b7e1e7b8 100644
--- a/kern/atomic_i.h
+++ b/kern/atomic_i.h
@@ -40,6 +40,8 @@
  * listed, so that unsupported ones don't select pointer operations.
  * Instead, they select a function with an explicit name indicating
  * an invalid type.
+ *
+ * TODO Fix implementation for signed types.
  */
 #define atomic_select(ptr, op)                      \
 _Generic(*(ptr),                                    \