diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index cd99b83f14c275ce9de09384b981472c4baf80b9..9bd8609a2926d29f12913c28705f9175d6e2a420 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -782,7 +782,7 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
 	return ret;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;
diff --git a/arch/arm26/kernel/ptrace.c b/arch/arm26/kernel/ptrace.c
index 8a52124de0e1e6a188446594f9be2eff7aeb5f05..cf7e977d18c850eb4aba0bd3a2975cf48e85d525 100644
--- a/arch/arm26/kernel/ptrace.c
+++ b/arch/arm26/kernel/ptrace.c
@@ -665,7 +665,7 @@ static int do_ptrace(int request, struct task_struct *child, long addr, long dat
 	return ret;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;
diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index cbe03cba9f02a08dca3b7f59413df2aabf118a82..cb335a14a315ae3d18ac319939754725f4b89b67 100644
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -106,7 +106,7 @@ void ptrace_enable(struct task_struct *child)
 	child->thread.frame0->__status |= REG__STATUS_STEP;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	unsigned long tmp;
diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c
index 05c15e869777fc3225ca7fb400fb306556c5385f..a569fe4aa2842c34271174a0dfedecc232ff986e 100644
--- a/arch/h8300/kernel/ptrace.c
+++ b/arch/h8300/kernel/ptrace.c
@@ -57,7 +57,7 @@ void ptrace_disable(struct task_struct *child)
 	h8300_disable_trace(child);
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index 7b6368bf89746eaffc913d0c73e8b50d34ef15c4..efd11f09c99663208a14e918d69fe2a607b666fe 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -354,7 +354,7 @@ ptrace_set_thread_area(struct task_struct *child,
 	return 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	struct user * dummy = NULL;
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 3fa67ecebc838043c99fab4589e9d334dbd31604..dc282710421a18b71053a3ecb86f9ae8f778f129 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -36,6 +36,7 @@
 #include <linux/uio.h>
 #include <linux/nfs_fs.h>
 #include <linux/quota.h>
+#include <linux/syscalls.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
 #include <linux/nfsd/cache.h>
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 124f7c1b775e4c95dccdef47dd3ef458800a26b2..078d2a0e71c2669f3ce47673bc49e5857a03b3fc 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -756,7 +756,7 @@ do_ptrace(long request, struct task_struct *child, long addr, long data)
 	return ret;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;
diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c
index 8ed1b01a6a8742a7d44dad74f96bf11d7e395558..f7f1d2e5b90bcec403526c14c1f183fc74d3fe4e 100644
--- a/arch/m68k/kernel/ptrace.c
+++ b/arch/m68k/kernel/ptrace.c
@@ -121,7 +121,7 @@ void ptrace_disable(struct task_struct *child)
 	child->thread.work.syscall_trace = 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	unsigned long tmp;
diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c
index 9724e1cd82e5325dba472f78cb18554d165b70ba..621d7b91ccfe5147833dc47f1de8e8c6de79c1b7 100644
--- a/arch/m68knommu/kernel/ptrace.c
+++ b/arch/m68knommu/kernel/ptrace.c
@@ -101,7 +101,7 @@ void ptrace_disable(struct task_struct *child)
 	put_reg(child, PT_SR, tmp);
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index fcceab8f2e009e1899e752c0b8289f0f1f64bee0..f1b0f3e1f95b4c1ebd0dcfd23cafaffb9824dc97 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -174,7 +174,7 @@ int ptrace_setfpregs (struct task_struct *child, __u32 __user *data)
 	return 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret;
diff --git a/arch/ppc/kernel/ptrace.c b/arch/ppc/kernel/ptrace.c
index e7aee4108dea69985ba02507a78a46f227ba47da..e2744b6879da4a2158615558ccf5813ecdfc30b3 100644
--- a/arch/ppc/kernel/ptrace.c
+++ b/arch/ppc/kernel/ptrace.c
@@ -240,7 +240,7 @@ void ptrace_disable(struct task_struct *child)
 	clear_single_step(child);
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret = -EPERM;
diff --git a/arch/ppc64/kernel/ptrace.c b/arch/ppc64/kernel/ptrace.c
index b1c044ca57568d3aee5b4cc60286c8e22d6dbbb3..b33073c317244b6b4d17321d3963adca0d88eb1e 100644
--- a/arch/ppc64/kernel/ptrace.c
+++ b/arch/ppc64/kernel/ptrace.c
@@ -53,7 +53,7 @@ void ptrace_disable(struct task_struct *child)
 	clear_single_step(child);
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret = -EPERM;
diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c
index b28919b65682ab475d6463c20763084de8946da3..1fbe5a428e31fe54c017a58bff0d5b82efaea24e 100644
--- a/arch/sh/kernel/ptrace.c
+++ b/arch/sh/kernel/ptrace.c
@@ -80,7 +80,7 @@ void ptrace_disable(struct task_struct *child)
 	/* nothing to do.. */
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	struct user * dummy = NULL;
diff --git a/arch/sh64/kernel/ptrace.c b/arch/sh64/kernel/ptrace.c
index fd2000956daeed262b571bc0d4b4406926c6f34a..71f2eec00b99d3f6004457a2be1fec1347ee651d 100644
--- a/arch/sh64/kernel/ptrace.c
+++ b/arch/sh64/kernel/ptrace.c
@@ -121,7 +121,7 @@ put_fpu_long(struct task_struct *task, unsigned long addr, unsigned long data)
 	return 0;
 }
 
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	extern void poke_real_address_q(unsigned long long addr, unsigned long long data);
diff --git a/arch/um/include/sysdep-i386/syscalls.h b/arch/um/include/sysdep-i386/syscalls.h
index a0d5b74d3731f41f0b7b03138c882557dc022bb1..57bd79efbee305887c0ac59cfa2504e3d6a1a2ba 100644
--- a/arch/um/include/sysdep-i386/syscalls.h
+++ b/arch/um/include/sysdep-i386/syscalls.h
@@ -11,7 +11,6 @@ typedef long syscall_handler_t(struct pt_regs);
 /* Not declared on x86, incompatible declarations on x86_64, so these have
  * to go here rather than in sys_call_table.c
  */
-extern syscall_handler_t sys_ptrace;
 extern syscall_handler_t sys_rt_sigaction;
 
 extern syscall_handler_t old_mmap_i386;
diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c
index 4726b87f5e5acb567f3b8d0d4fbbc5d8e513488b..d6077ff47d229282b3fcd7a1f0a8341bd932f392 100644
--- a/arch/v850/kernel/ptrace.c
+++ b/arch/v850/kernel/ptrace.c
@@ -113,7 +113,7 @@ static int set_single_step (struct task_struct *t, int val)
 	return 1;
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int rval;
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 2659efdd4e9906f3fdc3a7e1d6a1d6727e5e5574..14460743de079dd32263a003b6d58d640f335027 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -45,7 +45,7 @@ void ptrace_disable(struct task_struct *child)
 	/* Nothing to do.. */
 }
 
-int sys_ptrace(long request, long pid, long addr, long data)
+long sys_ptrace(long request, long pid, long addr, long data)
 {
 	struct task_struct *child;
 	int ret = -EPERM;
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index c49df635a80f11e6d5202152dee10a30cb6f5cc7..d626e70fadedd520fd342fa49f51cc39b2118014 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -544,7 +544,6 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
 asmlinkage int sys_fork(struct pt_regs *regs);
 asmlinkage int sys_vfork(struct pt_regs *regs);
 asmlinkage int sys_pipe(unsigned long *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,
diff --git a/include/asm-arm26/unistd.h b/include/asm-arm26/unistd.h
index dfa0b0c30aa3bd32b82708383df805e13c496722..be4c2fb9c04944cdf9a982f4a3b1412001e68edb 100644
--- a/include/asm-arm26/unistd.h
+++ b/include/asm-arm26/unistd.h
@@ -480,7 +480,6 @@ asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
 asmlinkage int sys_fork(struct pt_regs *regs);
 asmlinkage int sys_vfork(struct pt_regs *regs);
 asmlinkage int sys_pipe(unsigned long *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,
diff --git a/include/asm-cris/unistd.h b/include/asm-cris/unistd.h
index 28232ad2ff34d2c1d6c0cfe0c511e1dfb30e7d04..156a34bfc583b853b1d2970171602e592665c972 100644
--- a/include/asm-cris/unistd.h
+++ b/include/asm-cris/unistd.h
@@ -367,7 +367,6 @@ asmlinkage int sys_fork(long r10, long r11, long r12, long r13,
 asmlinkage int sys_vfork(long r10, long r11, long r12, long r13,
 			long mof, long srp, struct pt_regs *regs);
 asmlinkage int sys_pipe(unsigned long __user *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,
diff --git a/include/asm-h8300/unistd.h b/include/asm-h8300/unistd.h
index 56a6401886fa14a0742f0094a8516bacb8727eb5..56a4a5686c88197b0e6defc5d9b153944ad631ac 100644
--- a/include/asm-h8300/unistd.h
+++ b/include/asm-h8300/unistd.h
@@ -528,7 +528,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 asmlinkage int sys_execve(char *name, char **argv, char **envp,
 			int dummy, ...);
 asmlinkage int sys_pipe(unsigned long *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index fbaf90a3968c1f7c4f5bd11b818a604c625e8923..0f92e78dfea1dde68468098e3aa91e73e28503ae 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -448,7 +448,6 @@ asmlinkage int sys_clone(struct pt_regs regs);
 asmlinkage int sys_fork(struct pt_regs regs);
 asmlinkage int sys_vfork(struct pt_regs regs);
 asmlinkage int sys_pipe(unsigned long __user *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 asmlinkage long sys_iopl(unsigned long unused);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 3a0c69524656ec4618de0127c2aa11ac20045dfb..6d96a67439be8c5d14081c14c8d2b0d3e47ee4c9 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -383,8 +383,6 @@ struct sigaction;
 long sys_execve(char __user *filename, char __user * __user *argv,
 			   char __user * __user *envp, struct pt_regs *regs);
 asmlinkage long sys_pipe(void);
-asmlinkage long sys_ptrace(long request, pid_t pid,
-			   unsigned long addr, unsigned long data);
 asmlinkage long sys_rt_sigaction(int sig,
 				 const struct sigaction __user *act,
 				 struct sigaction __user *oact,
diff --git a/include/asm-m32r/unistd.h b/include/asm-m32r/unistd.h
index 8552d8f45ab10638e5b518679c885f34d62adf77..ac399e1f7bc02b1d5d109185156a809c47d2c0e5 100644
--- a/include/asm-m32r/unistd.h
+++ b/include/asm-m32r/unistd.h
@@ -452,7 +452,6 @@ asmlinkage int sys_clone(struct pt_regs regs);
 asmlinkage int sys_fork(struct pt_regs regs);
 asmlinkage int sys_vfork(struct pt_regs regs);
 asmlinkage int sys_pipe(unsigned long __user *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				 const struct sigaction __user *act,
diff --git a/include/asm-m68k/unistd.h b/include/asm-m68k/unistd.h
index cbabde4f8a45b22102d601819c6433deffe7dd8b..c2554bcd17471a43588d0ab3719fbdc70c4a7d17 100644
--- a/include/asm-m68k/unistd.h
+++ b/include/asm-m68k/unistd.h
@@ -444,7 +444,6 @@ asmlinkage long sys_mmap2(
 			unsigned long fd, unsigned long pgoff);
 asmlinkage int sys_execve(char *name, char **argv, char **envp);
 asmlinkage int sys_pipe(unsigned long *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct pt_regs;
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
diff --git a/include/asm-m68knommu/unistd.h b/include/asm-m68knommu/unistd.h
index 84b6fa14459f7e7b3a6c82a94f39ff4f4d3f0e64..5373988a7e519eec5f038c3b792a75960162de16 100644
--- a/include/asm-m68knommu/unistd.h
+++ b/include/asm-m68knommu/unistd.h
@@ -504,7 +504,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 			unsigned long fd, unsigned long pgoff);
 asmlinkage int sys_execve(char *name, char **argv, char **envp);
 asmlinkage int sys_pipe(unsigned long *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct pt_regs;
 int sys_request_irq(unsigned int,
 			irqreturn_t (*)(int, void *, struct pt_regs *),
diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h
index c9eaf4c104deaa8bd649c62aee28cc2f395d970b..89ea8b60e945cbb6d6660d85d9b02229ce36950f 100644
--- a/include/asm-mips/unistd.h
+++ b/include/asm-mips/unistd.h
@@ -1177,7 +1177,6 @@ asmlinkage long sys_mmap2(
 			unsigned long fd, unsigned long pgoff);
 asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs);
 asmlinkage int sys_pipe(nabi_no_regargs struct pt_regs regs);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,
diff --git a/include/asm-ppc/unistd.h b/include/asm-ppc/unistd.h
index 3173ab3d2eb9a477af7b308db22ce82b0d3d0421..404c143e643d910aee6711412c56e0d48ecb4658 100644
--- a/include/asm-ppc/unistd.h
+++ b/include/asm-ppc/unistd.h
@@ -469,7 +469,6 @@ int sys_fork(int p1, int p2, int p3, int p4, int p5, int p6,
 int sys_vfork(int p1, int p2, int p3, int p4, int p5, int p6,
 		struct pt_regs *regs);
 int sys_pipe(int __user *fildes);
-int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 long sys_rt_sigaction(int sig,
 		      const struct sigaction __user *act,
diff --git a/include/asm-ppc64/unistd.h b/include/asm-ppc64/unistd.h
index 977bc980c1af641681a1283df2094e9ea4733734..6b5fcbadbc5b6d43a2698995358f1e1ad5807609 100644
--- a/include/asm-ppc64/unistd.h
+++ b/include/asm-ppc64/unistd.h
@@ -467,7 +467,6 @@ int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3,
 		unsigned long p4, unsigned long p5, unsigned long p6,
 		struct pt_regs *regs);
 int sys_pipe(int __user *fildes);
-int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 long sys_rt_sigaction(int sig, const struct sigaction __user *act,
 		      struct sigaction __user *oact, size_t sigsetsize);
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 221e965da9242996e92e755ff13c968905f7cb24..f97d92691f179fc29c2645eda6c742dd108a50ee 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -590,7 +590,6 @@ asmlinkage long sys_clone(struct pt_regs regs);
 asmlinkage long sys_fork(struct pt_regs regs);
 asmlinkage long sys_vfork(struct pt_regs regs);
 asmlinkage long sys_pipe(unsigned long __user *fildes);
-asmlinkage long sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,
diff --git a/include/asm-sh/unistd.h b/include/asm-sh/unistd.h
index ea89e8f223eae1264e6a8fb29e7fb92e6eec6a97..f2c8e14d1fd9c31e65c7d1d9a28a4730c373b43c 100644
--- a/include/asm-sh/unistd.h
+++ b/include/asm-sh/unistd.h
@@ -503,7 +503,6 @@ asmlinkage int sys_vfork(unsigned long r4, unsigned long r5,
 asmlinkage int sys_pipe(unsigned long r4, unsigned long r5,
 			unsigned long r6, unsigned long r7,
 			struct pt_regs regs);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
 asmlinkage ssize_t sys_pread_wrapper(unsigned int fd, char *buf,
 				size_t count, long dummy, loff_t pos);
 asmlinkage ssize_t sys_pwrite_wrapper(unsigned int fd, const char *buf,
diff --git a/include/asm-v850/unistd.h b/include/asm-v850/unistd.h
index 3b552096c0e8754160d1a88bf04917e749187c46..5a86f8e976ec35b26182abe9c06b366b37949b37 100644
--- a/include/asm-v850/unistd.h
+++ b/include/asm-v850/unistd.h
@@ -452,7 +452,6 @@ unsigned long sys_mmap2(unsigned long addr, size_t len,
 struct pt_regs;
 int sys_execve (char *name, char **argv, char **envp, struct pt_regs *regs);
 int sys_pipe (int *fildes);
-int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
 asmlinkage long sys_rt_sigaction(int sig,
 				const struct sigaction __user *act,
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 11ba931cf82f16336f5356d1ff4a45e356f8f5c6..3c494b65d33a06a5f71e0956e0a69dd1e206b6e3 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -780,8 +780,6 @@ asmlinkage long sys_pipe(int *fildes);
 #include <linux/types.h>
 #include <asm/ptrace.h>
 
-asmlinkage long sys_ptrace(long request, long pid,
-				unsigned long addr, long data);
 asmlinkage long sys_iopl(unsigned int level, struct pt_regs *regs);
 asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on);
 struct sigaction;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index a6f03e4737377f3437816ed74b7e96c0f87c42de..c7007b1db91d6beece5fd0143c0f519304e629c4 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -491,6 +491,7 @@ asmlinkage long sys_nfsservctl(int cmd,
 asmlinkage long sys_syslog(int type, char __user *buf, int len);
 asmlinkage long sys_uselib(const char __user *library);
 asmlinkage long sys_ni_syscall(void);
+asmlinkage long sys_ptrace(long request, long pid, long addr, long data);
 
 asmlinkage long sys_add_key(const char __user *_type,
 			    const char __user *_description,