diff --git a/kernel/fork.c b/kernel/fork.c
index 4698389..7332e23 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -137,7 +137,7 @@
 	/* create a slab on which task_structs can be allocated */
 	task_struct_cachep =
 		kmem_cache_create("task_struct", sizeof(struct task_struct),
-			ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL, NULL);
+			ARCH_MIN_TASKALIGN, SLAB_PANIC, NULL);
 #endif
 
 	/*
@@ -1446,22 +1446,22 @@
 	sighand_cachep = kmem_cache_create("sighand_cache",
 			sizeof(struct sighand_struct), 0,
 			SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_DESTROY_BY_RCU,
-			sighand_ctor, NULL);
+			sighand_ctor);
 	signal_cachep = kmem_cache_create("signal_cache",
 			sizeof(struct signal_struct), 0,
-			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
-	files_cachep = kmem_cache_create("files_cache", 
+			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+	files_cachep = kmem_cache_create("files_cache",
 			sizeof(struct files_struct), 0,
-			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
-	fs_cachep = kmem_cache_create("fs_cache", 
+			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
+	fs_cachep = kmem_cache_create("fs_cache",
 			sizeof(struct fs_struct), 0,
-			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 	vm_area_cachep = kmem_cache_create("vm_area_struct",
 			sizeof(struct vm_area_struct), 0,
-			SLAB_PANIC, NULL, NULL);
+			SLAB_PANIC, NULL);
 	mm_cachep = kmem_cache_create("mm_struct",
 			sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN,
-			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+			SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 }
 
 /*
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 10f0bbb..a4fb7d4 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -193,7 +193,7 @@
 static int __init nsproxy_cache_init(void)
 {
 	nsproxy_cachep = kmem_cache_create("nsproxy", sizeof(struct nsproxy),
-					   0, SLAB_PANIC, NULL, NULL);
+					   0, SLAB_PANIC, NULL);
 	return 0;
 }
 
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 329ce01..55b3761 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -241,7 +241,7 @@
 	register_posix_clock(CLOCK_MONOTONIC, &clock_monotonic);
 
 	posix_timers_cache = kmem_cache_create("posix_timers_cache",
-					sizeof (struct k_itimer), 0, 0, NULL, NULL);
+					sizeof (struct k_itimer), 0, 0, NULL);
 	idr_init(&posix_timers_id);
 	return 0;
 }
diff --git a/kernel/user.c b/kernel/user.c
index 98b8250..e7d11ce 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -208,7 +208,7 @@
 	int n;
 
 	uid_cachep = kmem_cache_create("uid_cache", sizeof(struct user_struct),
-			0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
+			0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
 
 	for(n = 0; n < UIDHASH_SZ; ++n)
 		INIT_LIST_HEAD(init_user_ns.uidhash_table + n);