Initial commit

tasks/libmem/kmalloc/kmalloc.h

@@ -0,0 +1,31 @@
+#ifndef __KMALLOC_H__
+#define __KMALLOC_H__
+
+#include <mm/alloc_page.h>
+#include <l4/lib/list.h>
+
+/*
+ * List member to keep track of free and unused regions in subpages.
+ * Smallest unit it represents is one byte, but note that it is also
+ * used for describing regions that span across multiple pages.
+ */
+struct km_area {
+	struct list_head list;
+	unsigned long vaddr;
+	unsigned long size;
+	int used;
+	int pg_alloc_pages;	/* Means borrowed from alloc_page() */
+};
+
+extern struct list_head km_area_start;
+
+/* Kmalloc initialisation */
+void kmalloc_init(void);
+
+/* Kmalloc allocation functions */
+void *kmalloc(int size);
+void *kzalloc(int size);
+int kfree(void *vaddr);
+
+#endif /* __KMALLOC_H__ */
+