35 #define ALL_AREAS 0 /* copy all debug areas */
36 #define NO_AREAS  1 /* copy no debug areas */
176  * - Debug areas are implemented as a threedimensonal array:
177  *   areas[areanumber][pagenumber][pageoffset]
182 	debug_entry_t ***areas;  in debug_areas_alloc()  local
185 	areas = kmalloc_array(nr_areas, sizeof(debug_entry_t **), GFP_KERNEL);  in debug_areas_alloc()
186 	if (!areas)  in debug_areas_alloc()
190 		areas[i] = kmalloc_array(pages_per_area,  in debug_areas_alloc()
193 		if (!areas[i])  in debug_areas_alloc()
196 			areas[i][j] = kzalloc(PAGE_SIZE, GFP_KERNEL);  in debug_areas_alloc()
197 			if (!areas[i][j]) {  in debug_areas_alloc()
199 					kfree(areas[i][j]);  in debug_areas_alloc()
200 				kfree(areas[i]);  in debug_areas_alloc()
205 	return areas;  in debug_areas_alloc()
210 			kfree(areas[i][j]);  in debug_areas_alloc()
211 		kfree(areas[i]);  in debug_areas_alloc()
213 	kfree(areas);  in debug_areas_alloc()
239 		rc->areas = debug_areas_alloc(pages_per_area, nr_areas);  in debug_info_alloc()
240 		if (!rc->areas)  in debug_info_alloc()
243 		rc->areas = NULL;  in debug_info_alloc()
273  * - free all debug areas
279 	if (!db_info->areas)  in debug_areas_free()
283 			kfree(db_info->areas[i][j]);  in debug_areas_free()
284 		kfree(db_info->areas[i]);  in debug_areas_free()
286 	kfree(db_info->areas);  in debug_areas_free()
287 	db_info->areas = NULL;  in debug_areas_free()
333 	/* get a consistent copy of the debug areas */  in debug_info_copy()
354 			memcpy(rc->areas[i][j], in->areas[i][j], PAGE_SIZE);  in debug_info_copy()
405 	if (!id_snap->areas) /* this is true, if we have a prolog only view */  in debug_format_entry()
407 	act_entry = (debug_entry_t *) ((char *)id_snap->areas[p_info->act_area]  in debug_format_entry()
446 	if (!id->areas)  in debug_next_entry()
500 	if (!id->areas)  in debug_prev_entry()
624 	 * Make snapshot of current debug areas to get it consistent.  in debug_file_private_alloc()
625 	 * To copy all the areas is only needed, if we have a view which  in debug_file_private_alloc()
626 	 * formats the debug areas.  in debug_file_private_alloc()
792  * @nr_areas:	Number of debug areas
835  * @nr_areas:	Number of debug areas
859  * @nr_areas: Number of debug areas
884 		id->areas = NULL;  in debug_register_static()
899 	copy->areas = NULL;  in debug_register_static()
952  * - set area size (number of pages) and number of areas
1040 	return (debug_entry_t *) (((char *) id->areas[id->active_area]  in get_active_entry()
1045 /* Swap debug areas of a and b. */
1050 	swap(a->areas, b->areas);  in debug_areas_swap()
1061 	if (!src->areas || !dest->areas)  in debug_events_append()
1185 	if (!debug_active || !id->areas)  in debug_event_common()
1218 	if (!debug_active || !id->areas)  in debug_exception_common()
1266 	if (!debug_active || !id->areas)  in __debug_sprintf_event()
1301 	if (!debug_active || !id->areas)  in __debug_sprintf_exception()
1558  * flushes debug areas
1565 	if (!id || !id->areas)  in debug_flush()
1574 				memset(id->areas[i][j], 0, PAGE_SIZE);  in debug_flush()
1580 			memset(id->areas[area][i], 0, PAGE_SIZE);  in debug_flush()
1586  * view function: flushes debug areas