Changeset 25bf215 in mainline for generic/include

Timestamp:

2006-05-21T15:15:30Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2a1803eb

Parents:

7ca8b36b

Message:

Add used_space_insert() and used_space_remove().
These are the alpha versions of functions that
will help to map used and unused portions of address
space areas. Currently unused, but many as_area operations
will be more efficient when the used space B+tree map
is used.

File:

• generic/include/mm/as.h (modified) (2 diffs)

generic/include/mm/as.h

@@ -35 +35 @@
 #define AS_AREA_EXEC    4
 #define AS_AREA_DEVICE  8
-
 
 #ifdef KERNEL
@@ -84 +83 @@
         count_t pages;          /**< Size of this area in multiples of PAGE_SIZE. */
         __address base;         /**< Base address of this area. */
+        btree_t used_space;     /**< Map of used space. */
 };