diff --git a/study/kernel/process/task/kernel_thead/Makefile b/study/kernel/process/create/kernel_thead/Makefile
similarity index 100%
rename from study/kernel/process/task/kernel_thead/Makefile
rename to study/kernel/process/create/kernel_thead/Makefile
diff --git a/study/kernel/process/task/kernel_thead/kernel_thread.c b/study/kernel/process/create/kernel_thead/kernel_thread.c
similarity index 100%
rename from study/kernel/process/task/kernel_thead/kernel_thread.c
rename to study/kernel/process/create/kernel_thead/kernel_thread.c
diff --git a/study/kernel/process/task/experiment/current/Makefile b/study/kernel/process/task/current/Makefile
similarity index 100%
rename from study/kernel/process/task/experiment/current/Makefile
rename to study/kernel/process/task/current/Makefile
diff --git a/study/kernel/process/task/experiment/current/my_current.c b/study/kernel/process/task/current/my_current.c
similarity index 95%
rename from study/kernel/process/task/experiment/current/my_current.c
rename to study/kernel/process/task/current/my_current.c
index 8a9add2..d8f6414 100644
--- a/study/kernel/process/task/experiment/current/my_current.c
+++ b/study/kernel/process/task/current/my_current.c
@@ -1,39 +1,39 @@
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include <linux/sched.h>
-#include <linux/list.h>
-
-#ifndef THREAD_SIZE
-#define THREAD_SIZE 0x00002000
-#endif
-
-#define my_current my_get_current
-#define my_get_current   (my_current_thread_info()->task)
-
-register unsigned long my_current_stack_pointer asm("esp") __used;
-
- static inline struct thread_info *my_current_thread_info(void)
-{
-         return (struct thread_info *)
-                 (my_current_stack_pointer & ~(THREAD_SIZE - 1));
-}
-
-static int __init lkp_init(void)
-{
-   printk("pid = %d\n",current->pid);
-   printk("name = %s\n",current->comm);
-   printk("pid = %d\n",my_current->pid);
-   printk("name = %s\n",my_current->comm);
-   return 0;
-}
-
-static void __exit lkp_cleanup(void)
-{
-   printk("<1>bye!\n");
-}
-
-module_init(lkp_init);
-module_exit(lkp_cleanup);
-MODULE_LICENSE("GPL");
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/sched.h>
+#include <linux/list.h>
+
+#ifndef THREAD_SIZE
+#define THREAD_SIZE 0x00002000
+#endif
+
+#define my_current my_get_current
+#define my_get_current   (my_current_thread_info()->task)
+
+register unsigned long my_current_stack_pointer asm("esp") __used;
+
+ static inline struct thread_info *my_current_thread_info(void)
+{
+         return (struct thread_info *)
+                 (my_current_stack_pointer & ~(THREAD_SIZE - 1));
+}
+
+static int __init lkp_init(void)
+{
+   printk("pid = %d\n",current->pid);
+   printk("name = %s\n",current->comm);
+   printk("pid = %d\n",my_current->pid);
+   printk("name = %s\n",my_current->comm);
+   return 0;
+}
+
+static void __exit lkp_cleanup(void)
+{
+   printk("<1>bye!\n");
+}
+
+module_init(lkp_init);
+module_exit(lkp_cleanup);
+MODULE_LICENSE("GPL");
diff --git a/study/kernel/process/task/experiment/find_task/Makefile b/study/kernel/process/task/find_task/Makefile
similarity index 100%
rename from study/kernel/process/task/experiment/find_task/Makefile
rename to study/kernel/process/task/find_task/Makefile
diff --git a/study/kernel/process/task/experiment/find_task/find_task.c b/study/kernel/process/task/find_task/find_task.c
similarity index 100%
rename from study/kernel/process/task/experiment/find_task/find_task.c
rename to study/kernel/process/task/find_task/find_task.c
diff --git a/study/kernel/process/task/experiment/find_task/print_task.c b/study/kernel/process/task/find_task/print_task.c
similarity index 100%
rename from study/kernel/process/task/experiment/find_task/print_task.c
rename to study/kernel/process/task/find_task/print_task.c
diff --git a/study/kernel/process/task/experiment/find_task/print_task.h b/study/kernel/process/task/find_task/print_task.h
similarity index 100%
rename from study/kernel/process/task/experiment/find_task/print_task.h
rename to study/kernel/process/task/find_task/print_task.h
diff --git a/study/kernel/process/task/experiment/find_task/print_vmarea.c b/study/kernel/process/task/find_task/print_vmarea.c
similarity index 100%
rename from study/kernel/process/task/experiment/find_task/print_vmarea.c
rename to study/kernel/process/task/find_task/print_vmarea.c
diff --git a/study/kernel/process/task/experiment/find_task/print_vmarea.h b/study/kernel/process/task/find_task/print_vmarea.h
similarity index 100%
rename from study/kernel/process/task/experiment/find_task/print_vmarea.h
rename to study/kernel/process/task/find_task/print_vmarea.h
diff --git a/study/kernel/process/task/experiment/list_process/Makefile b/study/kernel/process/task/list_process/Makefile
similarity index 100%
rename from study/kernel/process/task/experiment/list_process/Makefile
rename to study/kernel/process/task/list_process/Makefile
diff --git a/study/kernel/process/task/experiment/list_process/list_process.c b/study/kernel/process/task/list_process/list_process.c
similarity index 100%
rename from study/kernel/process/task/experiment/list_process/list_process.c
rename to study/kernel/process/task/list_process/list_process.c
diff --git a/study/kernel/process/task/experiment/print_vmarea/Makefile b/study/kernel/process/task/print_vmarea/Makefile
similarity index 100%
rename from study/kernel/process/task/experiment/print_vmarea/Makefile
rename to study/kernel/process/task/print_vmarea/Makefile
diff --git a/study/kernel/process/task/experiment/print_vmarea/print_vmarea.c b/study/kernel/process/task/print_vmarea/print_vmarea.c
similarity index 100%
rename from study/kernel/process/task/experiment/print_vmarea/print_vmarea.c
rename to study/kernel/process/task/print_vmarea/print_vmarea.c