Changes in kernel/generic/src/mm/backend_phys.c [83b6ba9f:59fb782] in mainline

File:

• kernel/generic/src/mm/backend_phys.c (modified) (4 diffs)

kernel/generic/src/mm/backend_phys.c

@@ -55 +55 @@
 static bool phys_is_shareable(as_area_t *);
 
+
 static int phys_page_fault(as_area_t *, uintptr_t, pf_access_t);
-
-static bool phys_create_shared_data(as_area_t *);
-static void phys_destroy_shared_data(void *);
-
-typedef struct {
-        uintptr_t base;
-        size_t frames;  
-} phys_shared_data_t;
 
 mem_backend_t phys_backend = {
@@ -76 +69 @@
         .page_fault = phys_page_fault,
         .frame_free = NULL,
-        
-        .create_shared_data = phys_create_shared_data,
-        .destroy_shared_data = phys_destroy_shared_data
 };
-
 
 bool phys_create(as_area_t *area)
@@ -103 +92 @@
 void phys_destroy(as_area_t *area)
 {
-        /*
-         * Nothing to do.
-         * The anonymous frames, if any, are released in
-         * phys_destroy_shared_data().
-         */
+        /* Nothing to do. */
 }
 
@@ -153 +138 @@
 }
 
-bool phys_create_shared_data(as_area_t *area)
-{
-        /*
-         * For anonymous phys areas, create the shared data.
-         */
-        if (area->backend_data.anonymous) {
-                phys_shared_data_t *data;
-
-                data = (phys_shared_data_t *) malloc(sizeof(*data), 0);
-
-                data->base = area->backend_data.base;
-                data->frames = area->backend_data.frames;
-                area->sh_info->backend_shared_data = data;
-        }
-
-        return true;
-}
-
-void phys_destroy_shared_data(void *opaque_data)
-{
-        phys_shared_data_t *data = (phys_shared_data_t *) opaque_data;
-
-        if (data) {
-                frame_free(data->base, data->frames);
-                free(data);
-        }
-}
-
 /** @}
  */