Changeset 8f00329 in mainline for generic/src/mm/page.c

Timestamp:

2006-02-09T21:59:31Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

a3eeceb6

Parents:

bfb87df

Message:

Add page_mapping_remove().

File:

• generic/src/mm/page.c (modified) (3 diffs)

generic/src/mm/page.c

@@ -72 +72 @@
 }
 
-/** Map page to frame
+/** Insert mapping of page to frame.
  *
  * Map virtual address 'page' to physical address 'frame'
@@ -79 +79 @@
  * The address space must be locked and interrupts must be disabled.
  *
- * @param as Address space to wich page belongs..
+ * @param as Address space to wich page belongs.
  * @param page Virtual address of the page to be mapped.
  * @param frame Physical address of memory frame to which the mapping is done.
@@ -90 +90 @@
         
         page_mapping_operations->mapping_insert(as, page, frame, flags);
+}
+
+/** Remove mapping of page.
+ *
+ * Remove any mapping of 'page' within address space 'as'.
+ * TLB shootdown should follow in order to make effects of
+ * this call visible.
+ *
+ * The address space must be locked and interrupts must be disabled.
+ *
+ * @param as Address space to wich page belongs.
+ * @param page Virtual address of the page to be demapped.
+ */
+void page_mapping_remove(as_t *as, __address page)
+{
+        ASSERT(page_mapping_operations);
+        ASSERT(page_mapping_operations->mapping_remove);
+        
+        page_mapping_operations->mapping_remove(as, page);
 }