iOS Memory usage reporting

applicationDidReceiveMemoryWarning.m

- (void)applicationDidReceiveMemoryWarning:(UIApplication *)application {
    
    //NSLog(@"RECIEVED MEM WARNING WHY?");
    [self report_memory];
    [[NSURLCache sharedURLCache] removeAllCachedResponses];
}

-(void) report_memory {
    
    //#import "mach/mach.h" ///Add to headers

    struct task_basic_info info;
    mach_msg_type_number_t size = sizeof(info);
    kern_return_t kerr = task_info(mach_task_self(),
                                   TASK_BASIC_INFO,
                                   (task_info_t)&info,
                                   &size);
    if( kerr == KERN_SUCCESS ) {
        NSLog(@"Memory in use (in bytes): %u", info.resident_size);
    } else {
        NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
    }
}