33 #define ALL_AREAS 0 /* copy all debug areas */
34 #define NO_AREAS  1 /* copy no debug areas */
172  * - Debug areas are implemented as a threedimensonal array:
173  *   areas[areanumber][pagenumber][pageoffset]
178 	debug_entry_t ***areas;  in debug_areas_alloc()  local
181 	areas = kmalloc_array(nr_areas, sizeof(debug_entry_t **), GFP_KERNEL);  in debug_areas_alloc()
182 	if (!areas)  in debug_areas_alloc()
186 		areas[i] = kmalloc_array(pages_per_area,  in debug_areas_alloc()
189 		if (!areas[i])  in debug_areas_alloc()
192 			areas[i][j] = kzalloc(PAGE_SIZE, GFP_KERNEL);  in debug_areas_alloc()
193 			if (!areas[i][j]) {  in debug_areas_alloc()
195 					kfree(areas[i][j]);  in debug_areas_alloc()
196 				kfree(areas[i]);  in debug_areas_alloc()
201 	return areas;  in debug_areas_alloc()
206 			kfree(areas[i][j]);  in debug_areas_alloc()
207 		kfree(areas[i]);  in debug_areas_alloc()
209 	kfree(areas);  in debug_areas_alloc()
235 		rc->areas = debug_areas_alloc(pages_per_area, nr_areas);  in debug_info_alloc()
236 		if (!rc->areas)  in debug_info_alloc()
239 		rc->areas = NULL;  in debug_info_alloc()
269  * - free all debug areas
275 	if (!db_info->areas)  in debug_areas_free()
279 			kfree(db_info->areas[i][j]);  in debug_areas_free()
280 		kfree(db_info->areas[i]);  in debug_areas_free()
282 	kfree(db_info->areas);  in debug_areas_free()
283 	db_info->areas = NULL;  in debug_areas_free()
347 	/* get a consistent copy of the debug areas */  in debug_info_copy()
368 			memcpy(rc->areas[i][j], in->areas[i][j], PAGE_SIZE);  in debug_info_copy()
431 	if (!id_snap->areas) /* this is true, if we have a prolog only view */  in debug_format_entry()
433 	act_entry = (debug_entry_t *) ((char *)id_snap->areas[p_info->act_area]  in debug_format_entry()
462 	if (!id->areas)  in debug_next_entry()
583 	/* Make snapshot of current debug areas to get it consistent.	  */  in debug_open()
584 	/* To copy all the areas is only needed, if we have a view which  */  in debug_open()
585 	/* formats the debug areas. */  in debug_open()
640  * @nr_areas:	Number of debug areas
686  * @nr_areas:	Number of debug areas
725  * - set area size (number of pages) and number of areas
748 	id->areas = new_areas;  in debug_set_size()
819 	return (debug_entry_t *) (((char *) id->areas[id->active_area]  in get_active_entry()
939 	if (!debug_active || !id->areas)  in debug_event_common()
972 	if (!debug_active || !id->areas)  in debug_exception_common()
1020 	if (!debug_active || !id->areas)  in __debug_sprintf_event()
1055 	if (!debug_active || !id->areas)  in __debug_sprintf_exception()
1311  * flushes debug areas
1318 	if (!id || !id->areas)  in debug_flush()
1327 				memset(id->areas[i][j], 0, PAGE_SIZE);  in debug_flush()
1333 			memset(id->areas[area][i], 0, PAGE_SIZE);  in debug_flush()
1339  * view function: flushes debug areas