Changes in kernel/generic/include/lib/ra.h [1295a1da:02667d9] in mainline

File:

• kernel/generic/include/lib/ra.h (modified) (2 diffs)

kernel/generic/include/lib/ra.h

@@ -71 +71 @@
 typedef struct {
         link_t segment_link;    /**< Span's segment list link. */
-        link_t fu_link;         /**< Span's free list or used hash link. */
+
+        /*
+         * A segment cannot be both on the free list and in the used hash.
+         * Their respective links can therefore occupy the same space.
+         */
+        union {
+                link_t fl_link;         /**< Span's free list link. */
+                ht_link_t uh_link;      /**< Span's used hash link. */
+        };
 
         uintptr_t base;         /**< Segment base. */
@@ -79 +87 @@
 extern void ra_init(void);
 extern ra_arena_t *ra_arena_create(void);
+extern void ra_arena_destroy(ra_arena_t *);
 extern bool ra_span_add(ra_arena_t *, uintptr_t, size_t);
-extern uintptr_t ra_alloc(ra_arena_t *, size_t, size_t);
+extern bool ra_alloc(ra_arena_t *, size_t, size_t, uintptr_t *);
 extern void ra_free(ra_arena_t *, uintptr_t, size_t);