[PATCH] kernel/sys.c: cleanups

- proper prototypes for the following functions:
  - ctrl_alt_del()  (in include/linux/reboot.h)
  - getrusage()     (in include/linux/resource.h)
- make the following needlessly global functions static:
  - kernel_restart_prepare()
  - kernel_kexec()

[akpm@osdl.org: compile fix]
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

5 files changed, 4 insertions, 9 deletions

diff --git a/arch/arm/mach-ixp4xx/nas100d-power.c b/arch/arm/mach-ixp4xx/nas100d-power.c
index 99d333d7ebdd..a3745ed37f9f 100644
--- a/arch/arm/mach-ixp4xx/nas100d-power.c
+++ b/arch/arm/mach-ixp4xx/nas100d-power.c
@@ -20,11 +20,10 @@
 #include <linux/module.h>
 #include <linux/reboot.h>
 #include <linux/interrupt.h>
+#include <linux/reboot.h>
 
 #include <asm/mach-types.h>
 
-extern void ctrl_alt_del(void);
-
 static irqreturn_t nas100d_reset_handler(int irq, void *dev_id, struct pt_regs *regs)
 {
 	/* Signal init to do the ctrlaltdel action, this will bypass init if
diff --git a/arch/arm/mach-ixp4xx/nslu2-power.c b/arch/arm/mach-ixp4xx/nslu2-power.c
index d80c362bc539..6d38e97142cc 100644
--- a/arch/arm/mach-ixp4xx/nslu2-power.c
+++ b/arch/arm/mach-ixp4xx/nslu2-power.c
@@ -20,11 +20,10 @@
 #include <linux/module.h>
 #include <linux/reboot.h>
 #include <linux/interrupt.h>
+#include <linux/reboot.h>
 
 #include <asm/mach-types.h>
 
-extern void ctrl_alt_del(void);
-
 static irqreturn_t nslu2_power_handler(int irq, void *dev_id, struct pt_regs *regs)
 {
 	/* Signal init to do the ctrlaltdel action, this will bypass init if
diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c
index a9bf6cc3abd1..676e868d26fb 100644
--- a/arch/mips/kernel/irixsig.c
+++ b/arch/mips/kernel/irixsig.c
@@ -13,6 +13,7 @@
 #include <linux/smp_lock.h>
 #include <linux/time.h>
 #include <linux/ptrace.h>
+#include <linux/resource.h>
 
 #include <asm/ptrace.h>
 #include <asm/uaccess.h>
@@ -540,8 +541,6 @@ out:
 #define IRIX_P_PGID   2
 #define IRIX_P_ALL    7
 
-extern int getrusage(struct task_struct *, int, struct rusage __user *);
-
 #define W_EXITED     1
 #define W_TRAPPED    2
 #define W_STOPPED    4
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
index 19e1ef43eb4b..1137dd6ea7aa 100644
--- a/arch/mips/kernel/sysirix.c
+++ b/arch/mips/kernel/sysirix.c
@@ -31,6 +31,7 @@
 #include <linux/socket.h>
 #include <linux/security.h>
 #include <linux/syscalls.h>
+#include <linux/resource.h>
 
 #include <asm/ptrace.h>
 #include <asm/page.h>
@@ -235,7 +236,6 @@ asmlinkage int irix_prctl(unsigned option, ...)
 #undef DEBUG_PROCGRPS
 
 extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt);
-extern int getrusage(struct task_struct *p, int who, struct rusage __user *ru);
 extern char *prom_getenv(char *name);
 extern long prom_setenv(char *name, char *value);
 
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 6d7173fc55a3..79149314ed04 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -300,8 +300,6 @@ void mconsole_reboot(struct mc_request *req)
 	machine_restart(NULL);
 }
 
-extern void ctrl_alt_del(void);
-
 void mconsole_cad(struct mc_request *req)
 {
 	mconsole_reply(req, "", 0, 0);