Changeset 474afc9 in mainline for uspace/lib/c/include/as.h

Timestamp:

2011-02-04T22:40:13Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

4d73d71

Parents:

89acf204 (diff), e29e09cf (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

development branch changes

File:

• uspace/lib/c/include/as.h (modified) (1 diff)

uspace/lib/c/include/as.h

@@ -41 +41 @@
 #include <libarch/config.h>
 
+static inline size_t SIZE2PAGES(size_t size)
+{
+        if (size == 0)
+                return 0;
+        
+        return (size_t) ((size - 1) >> PAGE_WIDTH) + 1;
+}
+
+static inline size_t PAGES2SIZE(size_t pages)
+{
+        return (size_t) (pages << PAGE_WIDTH);
+}
+
 extern void *as_area_create(void *address, size_t size, int flags);
 extern int as_area_resize(void *address, size_t size, int flags);