1 files changed, 9 insertions, 0 deletions
diff --git a/mem/memory.h b/mem/memory.h
index eb30217..3956852 100644
--- a/mem/memory.h
+++ b/mem/memory.h
@@ -32,6 +32,15 @@ bool mem_check_ptr(const void *ptr);
  * @param user flag to mark page as user accessable*/
 void mem_ensure_range(uintptr_t from, uintptr_t to, bool rw, bool user);
 
+/**Make sure the range indicated is available in memory for specified pd
+ * If necessary, allocate new pages using the passed flags
+ * @param pd pointer to page directory to edit
+ * @param from start of the range.
+ * @param to end of the range.
+ * @param rw flag to mark page is writeable.
+ * @param user flag to mark page as user accessable*/
+void mem_ensure_range_for(void *pd, uintptr_t from, uintptr_t to, bool rw, bool user);
+
 void mem_slab_setup(void);
 void mem_slabcache_new(struct SlabCache *cache, char *name, size_t objsize);