Changes in kernel/generic/include/mm/as.h [ba2be23:83b6ba9f] in mainline

File:

• kernel/generic/include/mm/as.h (modified) (3 diffs)

kernel/generic/include/mm/as.h

@@ -140 +140 @@
         /** This structure can be deallocated if refcount drops to 0. */
         size_t refcount;
-        
+        /** True if the area has been ever shared. */
+        bool shared;
+
         /**
          * B+tree containing complete map of anonymous pages of the shared area.
          */
         btree_t pagemap;
+
+        /** Address space area backend. */
+        struct mem_backend *backend;
+        /** Address space area shared data. */
+        void *backend_shared_data;
 } share_info_t;
 
@@ -169 +176 @@
                 uintptr_t base;
                 size_t frames;
+                bool anonymous;
         };
 } mem_backend_data_t;
@@ -226 +234 @@
         int (* page_fault)(as_area_t *, uintptr_t, pf_access_t);
         void (* frame_free)(as_area_t *, uintptr_t, uintptr_t);
+
+        bool (* create_shared_data)(as_area_t *);
+        void (* destroy_shared_data)(void *);
 } mem_backend_t;