flat_mem: note sizing work to do

diff --git a/Kernel/include/flat_mem.h b/Kernel/include/flat_mem.h
index 047e2b2..64b6648 100644 (file)
--- a/Kernel/include/flat_mem.h
+++ b/Kernel/include/flat_mem.h
@@ -15,6 +15,9 @@
 #define MMU_BLKSIZE            8192
 #endif
 
+/* These are much too big. We need to split virtual and physical management
+   and pull some other tricks to get the size down. At the moment with 8K
+   pages it costs us 2.5K / MB of RAM */
 struct memblk
 {
        struct memblk   *next;          /* Next allocation block */