34 #define ALL_AREAS 0 /* copy all debug areas */
35 #define NO_AREAS  1 /* copy no debug areas */
174  * - Debug areas are implemented as a threedimensonal array:
175  *   areas[areanumber][pagenumber][pageoffset]
180 	debug_entry_t ***areas;  in debug_areas_alloc()  local
183 	areas = kmalloc_array(nr_areas, sizeof(debug_entry_t **), GFP_KERNEL);  in debug_areas_alloc()
184 	if (!areas)  in debug_areas_alloc()
188 		areas[i] = kmalloc_array(pages_per_area,  in debug_areas_alloc()
191 		if (!areas[i])  in debug_areas_alloc()
194 			areas[i][j] = kzalloc(PAGE_SIZE, GFP_KERNEL);  in debug_areas_alloc()
195 			if (!areas[i][j]) {  in debug_areas_alloc()
197 					kfree(areas[i][j]);  in debug_areas_alloc()
198 				kfree(areas[i]);  in debug_areas_alloc()
203 	return areas;  in debug_areas_alloc()
208 			kfree(areas[i][j]);  in debug_areas_alloc()
209 		kfree(areas[i]);  in debug_areas_alloc()
211 	kfree(areas);  in debug_areas_alloc()
237 		rc->areas = debug_areas_alloc(pages_per_area, nr_areas);  in debug_info_alloc()
238 		if (!rc->areas)  in debug_info_alloc()
241 		rc->areas = NULL;  in debug_info_alloc()
271  * - free all debug areas
277 	if (!db_info->areas)  in debug_areas_free()
281 			kfree(db_info->areas[i][j]);  in debug_areas_free()
282 		kfree(db_info->areas[i]);  in debug_areas_free()
284 	kfree(db_info->areas);  in debug_areas_free()
285 	db_info->areas = NULL;  in debug_areas_free()
331 	/* get a consistent copy of the debug areas */  in debug_info_copy()
352 			memcpy(rc->areas[i][j], in->areas[i][j], PAGE_SIZE);  in debug_info_copy()
398 	if (!id_snap->areas) /* this is true, if we have a prolog only view */  in debug_format_entry()
400 	act_entry = (debug_entry_t *) ((char *)id_snap->areas[p_info->act_area]  in debug_format_entry()
429 	if (!id->areas)  in debug_next_entry()
550 	/* Make snapshot of current debug areas to get it consistent.	  */  in debug_open()
551 	/* To copy all the areas is only needed, if we have a view which  */  in debug_open()
552 	/* formats the debug areas. */  in debug_open()
632  * @nr_areas:	Number of debug areas
675  * @nr_areas:	Number of debug areas
699  * @nr_areas: Number of debug areas
724 		id->areas = NULL;  in debug_register_static()
739 	copy->areas = NULL;  in debug_register_static()
792  * - set area size (number of pages) and number of areas
880 	return (debug_entry_t *) (((char *) id->areas[id->active_area]  in get_active_entry()
885 /* Swap debug areas of a and b. */
890 	swap(a->areas, b->areas);  in debug_areas_swap()
901 	if (!src->areas || !dest->areas)  in debug_events_append()
1025 	if (!debug_active || !id->areas)  in debug_event_common()
1058 	if (!debug_active || !id->areas)  in debug_exception_common()
1106 	if (!debug_active || !id->areas)  in __debug_sprintf_event()
1141 	if (!debug_active || !id->areas)  in __debug_sprintf_exception()
1398  * flushes debug areas
1405 	if (!id || !id->areas)  in debug_flush()
1414 				memset(id->areas[i][j], 0, PAGE_SIZE);  in debug_flush()
1420 			memset(id->areas[area][i], 0, PAGE_SIZE);  in debug_flush()
1426  * view function: flushes debug areas