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Diffstat (limited to 'mm/kmemleak-test.c')
| -rw-r--r-- | mm/kmemleak-test.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/mm/kmemleak-test.c b/mm/kmemleak-test.c deleted file mode 100644 index dd3c23a801b1..000000000000 --- a/mm/kmemleak-test.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * 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 - pr_info("kmem_cache_alloc(files_cachep) = %p\n", - kmem_cache_alloc(files_cachep, GFP_KERNEL)); - pr_info("kmem_cache_alloc(files_cachep) = %p\n", - kmem_cache_alloc(files_cachep, GFP_KERNEL)); -#endif - pr_info("vmalloc(64) = %p\n", vmalloc(64)); - pr_info("vmalloc(64) = %p\n", vmalloc(64)); - pr_info("vmalloc(64) = %p\n", vmalloc(64)); - pr_info("vmalloc(64) = %p\n", vmalloc(64)); - pr_info("vmalloc(64) = %p\n", vmalloc(64)); - - /* - * Add elements to a list. They should only appear as orphan - * after the module is removed. - */ - for (i = 0; i < 10; i++) { - elem = kzalloc(sizeof(*elem), GFP_KERNEL); - pr_info("kzalloc(sizeof(*elem)) = %p\n", elem); - if (!elem) - return -ENOMEM; - INIT_LIST_HEAD(&elem->list); - list_add_tail(&elem->list, &test_list); - } - - for_each_possible_cpu(i) { - per_cpu(kmemleak_test_pointer, i) = kmalloc(129, GFP_KERNEL); - pr_info("kmalloc(129) = %p\n", - per_cpu(kmemleak_test_pointer, i)); - } - - return 0; -} -module_init(kmemleak_test_init); - -static void __exit kmemleak_test_exit(void) -{ - struct test_node *elem, *tmp; - - /* - * Remove the list elements without actually freeing the - * memory. - */ - list_for_each_entry_safe(elem, tmp, &test_list, list) - list_del(&elem->list); -} -module_exit(kmemleak_test_exit); - -MODULE_LICENSE("GPL"); |