linux-imx

/*

 * mm/kmemleak-test.c

 *

 * Copyright (C) 2008 ARM Limited

 * Written by Catalin Marinas <catalin.marinas@arm.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

​

#define pr_fmt(fmt) "kmemleak: " fmt

​

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/slab.h>

#include <linux/vmalloc.h>

#include <linux/list.h>

#include <linux/percpu.h>

#include <linux/fdtable.h>

​

#include <linux/kmemleak.h>

​

struct test_node {

    long header[25];

    struct list_head list;

    long footer[25];

};

​

static LIST_HEAD(test_list);

static DEFINE_PER_CPU(void *, kmemleak_test_pointer);

​

/*

 * Some very simple testing. This function needs to be extended for

 * proper testing.

 */

static int __init kmemleak_test_init(void)

{

    struct test_node *elem;

    int i;

​

    pr_info("Kmemleak testing\n");

​

    /* make some orphan objects */

    pr_info("kmalloc(32) = %p\n", kmalloc(32, GFP_KERNEL));

    pr_info("kmalloc(32) = %p\n", kmalloc(32, GFP_KERNEL));

    pr_info("kmalloc(1024) = %p\n", kmalloc(1024, GFP_KERNEL));

    pr_info("kmalloc(1024) = %p\n", kmalloc(1024, GFP_KERNEL));

    pr_info("kmalloc(2048) = %p\n", kmalloc(2048, GFP_KERNEL));

    pr_info("kmalloc(2048) = %p\n", kmalloc(2048, GFP_KERNEL));

    pr_info("kmalloc(4096) = %p\n", kmalloc(4096, GFP_KERNEL));

    pr_info("kmalloc(4096) = %p\n", kmalloc(4096, GFP_KERNEL));

#ifndef CONFIG_MODULES