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copied!<p>Got it to compile with some changes. SLAB.. has been removed, and kmem_cache functions have been changed. <code>kmem_cache_t</code> has been replaced with <code>struct kmem_cache</code>:</p> <pre><code>#include <linux/module.h> #include <linux/completion.h> #include <linux/slab.h> #include <linux/sched.h> // daemonize static int thread_id=0; static DECLARE_COMPLETION( on_exit ); typedef struct kmem_cache kmem_cache_t; // static kmem_cache_t *cache; struct linobj { int dummy_i, dummy_j, dummy_k; char dummy_feld[250]; wait_queue_head_t wq; }; static void linobj_destructor(void *objp, kmem_cache_t *cache, unsigned long flags) { printk("linobj_destructor( %p )\n", objp); return; } static void linobj_constructor(void *objp) { struct linobj *ptr = (struct linobj *)objp; printk("linobj_constructor( %p )\n", objp); init_waitqueue_head(&ptr->wq); return; } static int thread_code( void *data ) { unsigned long timeout, retvalue; int i; struct linobj *obj; daemonize("linobj-test"); allow_signal( SIGTERM ); for( i=0; i<5; i++ ) { obj = (struct linobj *)kmem_cache_alloc( cache, GFP_KERNEL ); printk("objadr=%p\n", obj ); timeout=HZ; retvalue=schedule_timeout_interruptible(timeout); kmem_cache_free( cache, obj ); if( retvalue ) break; } complete_and_exit( &on_exit, 0 ); } static int __init slab_init(void) { cache = kmem_cache_create( "linobj", sizeof(struct linobj), 0, 0, linobj_constructor); if( !cache ) return -EFAULT; thread_id=kernel_thread( thread_code, NULL, CLONE_KERNEL ); if( thread_id==0 ) { kmem_cache_destroy( cache ); return -EIO; } return 0; } static void __exit slab_exit(void) { kill_pid( find_vpid(thread_id), SIGTERM, 1 ); wait_for_completion( &on_exit ); if( cache ) kmem_cache_destroy( cache ); } module_init( slab_init ); module_exit( slab_exit ); MODULE_LICENSE("GPL"); </code></pre>

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