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#include <linux/config.h>
#include <linux/module.h>
#include <linux/slab.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("ericxiao <xgr178@163.com>");
MODULE_DESCRIPTION("slab test module");
static kmem_cache_t *test_cachep = NULL;
struct slab_test
{
int val;
};
void fun_ctor(struct slab_test *object , kmem_cache_t *cachep , unsigned long flags )
{
printk("in ctor fuction ...\n");
object->val = 1;
}
void fun_dtor(struct slab_test *object , kmem_cache_t *cachep , unsigned long flags)
{
printk("in dtor fuction ...\n");
object -> val = 0;
}
static int __init init(void)
{
struct slab_test *object = NULL;
printk("slab test moudle init ... \n");
test_cachep = kmem_cache_create("test_cachep",sizeof(struct slab_test),0,SLAB_HWCACHE_ALIGN, \
fun_ctor, fun_dtor);
if(!test_cachep)
return;
object = kmem_cache_alloc( test_cachep, GFP_KERNEL );
if(object)
{
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