headers: declare void arguments for functions

Not giving any argument means that any argument is OK,
this is not what is meant here.

Change-Id: Ide651c1dec973d4b8709cf00646988f4c4f3acdd

kernel/include/kmalloc.h

@@ -34,7 +34,7 @@ void *__kmalloc(int size, ihk_mc_ap_flag flag);
 void __kfree(void *ptr);
 
 int _memcheck(void *ptr, char *msg, char *file, int line, int free);
-int memcheckall();
+int memcheckall(void);
 int freecheck(int runcount);
 void kmalloc_consolidate_free_list(void);
 

kernel/include/process.h

@@ -825,8 +825,8 @@ struct process *find_process(int pid, struct mcs_rwlock_node_irqsave *lock);
 void process_unlock(struct process *proc, struct mcs_rwlock_node_irqsave *lock);
 void chain_process(struct process *);
 void chain_thread(struct thread *);
-void proc_init();
-void set_timer();
+void proc_init(void);
+void set_timer(void);
 struct sig_pending *hassigpending(struct thread *thread);
 
 #endif

kernel/include/syscall.h

@@ -339,7 +339,7 @@ struct syscall_post {
 #define SYSCALL_FOOTER return do_syscall(&request, ihk_mc_get_processor_id(), 0)
 
 extern long do_syscall(struct syscall_request *req, int cpu, int pid);
-extern int obtain_clone_cpuid();
+int obtain_clone_cpuid(cpu_set_t *cpu_set);
 extern long syscall_generic_forwarding(int n, ihk_mc_user_context_t *ctx);
 
 #define DECLARATOR(number,name)		__NR_##name = number,
@@ -457,7 +457,7 @@ static inline unsigned long timespec_to_jiffy(const struct timespec *ats)
 	return ats->tv_sec * 100 + ats->tv_nsec / 10000000;
 }
 
-void reset_cputime();
+void reset_cputime(void);
 void set_cputime(int mode);
 int do_munmap(void *addr, size_t len);
 intptr_t do_mmap(intptr_t addr0, size_t len0, int prot, int flags, int fd,