Changes in kernel/generic/include/mm/as.h [83b6ba9f:9d58539] in mainline

File:

• kernel/generic/include/mm/as.h (modified) (5 diffs)

kernel/generic/include/mm/as.h

@@ -61 +61 @@
 #define USER_ADDRESS_SPACE_END      USER_ADDRESS_SPACE_END_ARCH
 
+#ifdef USTACK_ADDRESS_ARCH
+        #define USTACK_ADDRESS  USTACK_ADDRESS_ARCH
+#else
+        #define USTACK_ADDRESS  (USER_ADDRESS_SPACE_END - (STACK_SIZE - 1))
+#endif
+
 /** Kernel address space. */
 #define FLAG_AS_KERNEL  (1 << 0)
@@ -68 +74 @@
 #define AS_AREA_ATTR_PARTIAL  1  /**< Not fully initialized area. */
 
+/** The page fault was not resolved by as_page_fault(). */
+#define AS_PF_FAULT  0
+
 /** The page fault was resolved by as_page_fault(). */
-#define AS_PF_OK     0 
+#define AS_PF_OK  1
 
 /** The page fault was caused by memcpy_from_uspace() or memcpy_to_uspace(). */
-#define AS_PF_DEFER  1
-
-/** The page fault was not resolved by as_page_fault(). */
-#define AS_PF_FAULT  2
-
-/** The page fault was not resolved by as_page_fault(). Non-verbose version. */
-#define AS_PF_SILENT 3
+#define AS_PF_DEFER  2
 
 /** Address space structure.
@@ -140 +143 @@
         /** 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;
 
@@ -176 +172 @@
                 uintptr_t base;
                 size_t frames;
-                bool anonymous;
         };
 } mem_backend_data_t;
@@ -229 +224 @@
         void (* destroy)(as_area_t *);
 
-        bool (* is_resizable)(as_area_t *);
-        bool (* is_shareable)(as_area_t *);
-
         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;