26 files changed, 14 insertions, 100 deletions

diff --git a/arch/alpha/include/asm/posix_types.h b/arch/alpha/include/asm/posix_types.h
index 24779fc95994..5a8a48320efe 100644
--- a/arch/alpha/include/asm/posix_types.h
+++ b/arch/alpha/include/asm/posix_types.h
@@ -10,9 +10,6 @@
 typedef unsigned int    __kernel_ino_t;
 #define __kernel_ino_t __kernel_ino_t
 
-typedef unsigned int    __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
 
 #include <asm-generic/posix_types.h>
diff --git a/arch/arm/include/asm/posix_types.h b/arch/arm/include/asm/posix_types.h
index efdf99045d87..d2de9cbbcd9b 100644
--- a/arch/arm/include/asm/posix_types.h
+++ b/arch/arm/include/asm/posix_types.h
@@ -22,9 +22,6 @@
 typedef unsigned short          __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short          __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short          __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/avr32/include/asm/posix_types.h b/arch/avr32/include/asm/posix_types.h
index 74667bfc88cc..9ba9e749b3f3 100644
--- a/arch/avr32/include/asm/posix_types.h
+++ b/arch/avr32/include/asm/posix_types.h
@@ -17,9 +17,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/blackfin/include/asm/posix_types.h b/arch/blackfin/include/asm/posix_types.h
index 41bc1875c4d7..1bd3436db6a7 100644
--- a/arch/blackfin/include/asm/posix_types.h
+++ b/arch/blackfin/include/asm/posix_types.h
@@ -10,9 +10,6 @@
 typedef unsigned short __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned int __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/cris/include/asm/posix_types.h b/arch/cris/include/asm/posix_types.h
index 234891c74e2b..ce4e51793151 100644
--- a/arch/cris/include/asm/posix_types.h
+++ b/arch/cris/include/asm/posix_types.h
@@ -15,9 +15,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/frv/include/asm/posix_types.h b/arch/frv/include/asm/posix_types.h
index 3f34cb45fbb3..fe512af74a5a 100644
--- a/arch/frv/include/asm/posix_types.h
+++ b/arch/frv/include/asm/posix_types.h
@@ -10,9 +10,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/h8300/include/asm/posix_types.h b/arch/h8300/include/asm/posix_types.h
index bc4c34efb1ad..91e62ba4c7b0 100644
--- a/arch/h8300/include/asm/posix_types.h
+++ b/arch/h8300/include/asm/posix_types.h
@@ -10,9 +10,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/ia64/include/asm/posix_types.h b/arch/ia64/include/asm/posix_types.h
index 7323ab9467eb..99ee1d6510cf 100644
--- a/arch/ia64/include/asm/posix_types.h
+++ b/arch/ia64/include/asm/posix_types.h
@@ -1,9 +1,6 @@
 #ifndef _ASM_IA64_POSIX_TYPES_H
 #define _ASM_IA64_POSIX_TYPES_H
 
-typedef unsigned int    __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
 
 #include <asm-generic/posix_types.h>
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index f00ba025375d..d7f558c1e711 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -604,12 +604,6 @@ pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f)
         spin_unlock(&(x)->ctx_lock);
 }
 
-static inline unsigned long 
-pfm_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, unsigned long exec)
-{
-        return get_unmapped_area(file, addr, len, pgoff, flags);
-}
-
 /* forward declaration */
 static const struct dentry_operations pfmfs_dentry_operations;
 
@@ -2333,8 +2327,8 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t
         down_write(&task->mm->mmap_sem);
 
         /* find some free area in address space, must have mmap sem held */
-        vma->vm_start = pfm_get_unmapped_area(NULL, 0, size, 0, MAP_PRIVATE|MAP_ANONYMOUS, 0);
-        if (vma->vm_start == 0UL) {
+        vma->vm_start = get_unmapped_area(NULL, 0, size, 0, MAP_PRIVATE|MAP_ANONYMOUS);
+        if (IS_ERR_VALUE(vma->vm_start)) {
                 DPRINT(("Cannot find unmapped area for size %ld\n", size));
                 up_write(&task->mm->mmap_sem);
                 goto error;
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index 609d50056a6c..d9439ef2f661 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -171,22 +171,9 @@ asmlinkage unsigned long
 ia64_mremap (unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags,
              unsigned long new_addr)
 {
-        extern unsigned long do_mremap (unsigned long addr,
-                                        unsigned long old_len,
-                                        unsigned long new_len,
-                                        unsigned long flags,
-                                        unsigned long new_addr);
-
-        down_write(&current->mm->mmap_sem);
-        {
-                addr = do_mremap(addr, old_len, new_len, flags, new_addr);
-        }
-        up_write(&current->mm->mmap_sem);
-
-        if (IS_ERR((void *) addr))
-                return addr;
-
-        force_successful_syscall_return();
+        addr = sys_mremap(addr, old_len, new_len, flags, new_addr);
+        if (!IS_ERR((void *) addr))
+                force_successful_syscall_return();
         return addr;
 }
 
diff --git a/arch/m32r/include/asm/posix_types.h b/arch/m32r/include/asm/posix_types.h
index 0195850e1f88..236de26a409b 100644
--- a/arch/m32r/include/asm/posix_types.h
+++ b/arch/m32r/include/asm/posix_types.h
@@ -10,9 +10,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/m68k/include/asm/posix_types.h b/arch/m68k/include/asm/posix_types.h
index 6373093be72b..cf4dbf70fdc7 100644
--- a/arch/m68k/include/asm/posix_types.h
+++ b/arch/m68k/include/asm/posix_types.h
@@ -10,9 +10,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/mips/include/asm/posix_types.h b/arch/mips/include/asm/posix_types.h
index e0308dcca135..fa03ec3fbf89 100644
--- a/arch/mips/include/asm/posix_types.h
+++ b/arch/mips/include/asm/posix_types.h
@@ -17,11 +17,6 @@
  * assume GCC is being used.
  */
 
-#if (_MIPS_SZLONG == 64)
-typedef unsigned int    __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-#endif
-
 typedef long            __kernel_daddr_t;
 #define __kernel_daddr_t __kernel_daddr_t
 
diff --git a/arch/mips/include/asm/stat.h b/arch/mips/include/asm/stat.h
index 6e00f751ab6d..fe9a4c3ec5a1 100644
--- a/arch/mips/include/asm/stat.h
+++ b/arch/mips/include/asm/stat.h
@@ -20,7 +20,7 @@ struct stat {
         long            st_pad1[3];             /* Reserved for network id */
         ino_t           st_ino;
         mode_t          st_mode;
-        nlink_t         st_nlink;
+        __u32           st_nlink;
         uid_t           st_uid;
         gid_t           st_gid;
         unsigned        st_rdev;
@@ -55,7 +55,7 @@ struct stat64 {
         unsigned long long      st_ino;
 
         mode_t          st_mode;
-        nlink_t         st_nlink;
+        __u32           st_nlink;
 
         uid_t           st_uid;
         gid_t           st_gid;
@@ -96,7 +96,7 @@ struct stat {
         unsigned long           st_ino;
 
         mode_t                  st_mode;
-        nlink_t                 st_nlink;
+        __u32                   st_nlink;
 
         uid_t                   st_uid;
         gid_t                   st_gid;
diff --git a/arch/mn10300/include/asm/posix_types.h b/arch/mn10300/include/asm/posix_types.h
index ab506181ec31..d31eeea480cf 100644
--- a/arch/mn10300/include/asm/posix_types.h
+++ b/arch/mn10300/include/asm/posix_types.h
@@ -20,9 +20,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/parisc/include/asm/posix_types.h b/arch/parisc/include/asm/posix_types.h
index 5212b0357daf..b9344256f76b 100644
--- a/arch/parisc/include/asm/posix_types.h
+++ b/arch/parisc/include/asm/posix_types.h
@@ -10,9 +10,6 @@
 typedef unsigned short          __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short          __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short          __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 
diff --git a/arch/parisc/include/asm/stat.h b/arch/parisc/include/asm/stat.h
index 9d5fbbc5c31f..d76fbda5d62c 100644
--- a/arch/parisc/include/asm/stat.h
+++ b/arch/parisc/include/asm/stat.h
@@ -7,7 +7,7 @@ struct stat {
         unsigned int    st_dev;         /* dev_t is 32 bits on parisc */
         ino_t           st_ino;         /* 32 bits */
         mode_t          st_mode;        /* 16 bits */
-        nlink_t         st_nlink;       /* 16 bits */
+        unsigned short  st_nlink;       /* 16 bits */
         unsigned short  st_reserved1;   /* old st_uid */
         unsigned short  st_reserved2;   /* old st_gid */
         unsigned int    st_rdev;
@@ -42,7 +42,7 @@ struct hpux_stat64 {
         unsigned int    st_dev;         /* dev_t is 32 bits on parisc */
         ino_t           st_ino;         /* 32 bits */
         mode_t          st_mode;        /* 16 bits */
-        nlink_t         st_nlink;       /* 16 bits */
+        unsigned short  st_nlink;       /* 16 bits */
         unsigned short  st_reserved1;   /* old st_uid */
         unsigned short  st_reserved2;   /* old st_gid */
         unsigned int    st_rdev;
diff --git a/arch/powerpc/include/asm/posix_types.h b/arch/powerpc/include/asm/posix_types.h
index f1393252bbda..2958c5b97b2d 100644
--- a/arch/powerpc/include/asm/posix_types.h
+++ b/arch/powerpc/include/asm/posix_types.h
@@ -16,9 +16,6 @@ typedef int		__kernel_ssize_t;
 typedef long            __kernel_ptrdiff_t;
 #define __kernel_size_t __kernel_size_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef short           __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 #endif
diff --git a/arch/powerpc/include/asm/stat.h b/arch/powerpc/include/asm/stat.h
index e4edc510b530..10cfb558e0fd 100644
--- a/arch/powerpc/include/asm/stat.h
+++ b/arch/powerpc/include/asm/stat.h
@@ -30,11 +30,11 @@ struct stat {
         unsigned long   st_dev;
         ino_t           st_ino;
 #ifdef __powerpc64__
-        nlink_t         st_nlink;
+        unsigned short  st_nlink;
         mode_t          st_mode;
 #else
         mode_t          st_mode;
-        nlink_t         st_nlink;
+        unsigned short  st_nlink;
 #endif
         uid_t           st_uid;
         gid_t           st_gid;
diff --git a/arch/s390/include/asm/posix_types.h b/arch/s390/include/asm/posix_types.h
index edf8527ff08d..7be104c0f192 100644
--- a/arch/s390/include/asm/posix_types.h
+++ b/arch/s390/include/asm/posix_types.h
@@ -24,7 +24,6 @@ typedef unsigned short	__kernel_old_dev_t;
 
 typedef unsigned long   __kernel_ino_t;
 typedef unsigned short  __kernel_mode_t;
-typedef unsigned short  __kernel_nlink_t;
 typedef unsigned short  __kernel_ipc_pid_t;
 typedef unsigned short  __kernel_uid_t;
 typedef unsigned short  __kernel_gid_t;
@@ -35,7 +34,6 @@ typedef int             __kernel_ptrdiff_t;
 
 typedef unsigned int    __kernel_ino_t;
 typedef unsigned int    __kernel_mode_t;
-typedef unsigned int    __kernel_nlink_t;
 typedef int             __kernel_ipc_pid_t;
 typedef unsigned int    __kernel_uid_t;
 typedef unsigned int    __kernel_gid_t;
@@ -47,7 +45,6 @@ typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
 
 #define __kernel_ino_t  __kernel_ino_t
 #define __kernel_mode_t __kernel_mode_t
-#define __kernel_nlink_t __kernel_nlink_t
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 #define __kernel_uid_t __kernel_uid_t
 #define __kernel_gid_t __kernel_gid_t
diff --git a/arch/sh/include/asm/posix_types_32.h b/arch/sh/include/asm/posix_types_32.h
index abda58467ece..ba0bdc423b07 100644
--- a/arch/sh/include/asm/posix_types_32.h
+++ b/arch/sh/include/asm/posix_types_32.h
@@ -3,8 +3,6 @@
 
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 typedef unsigned short  __kernel_uid_t;
diff --git a/arch/sh/include/asm/posix_types_64.h b/arch/sh/include/asm/posix_types_64.h
index fcda07b4a616..244f7e950e17 100644
--- a/arch/sh/include/asm/posix_types_64.h
+++ b/arch/sh/include/asm/posix_types_64.h
@@ -3,8 +3,6 @@
 
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t
 typedef unsigned short  __kernel_uid_t;
diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h
index 3070f25ae90a..156220ed99eb 100644
--- a/arch/sparc/include/asm/posix_types.h
+++ b/arch/sparc/include/asm/posix_types.h
@@ -9,8 +9,6 @@
 
 #if defined(__sparc__) && defined(__arch64__)
 /* sparc 64 bit */
-typedef unsigned int           __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
 
 typedef unsigned short         __kernel_old_uid_t;
 typedef unsigned short         __kernel_old_gid_t;
@@ -38,9 +36,6 @@ typedef unsigned short         __kernel_gid_t;
 typedef unsigned short         __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef short                  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef long                   __kernel_daddr_t;
 #define __kernel_daddr_t __kernel_daddr_t
 
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 3ee51f189a55..275f74fd6f6a 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -580,16 +580,9 @@ SYSCALL_DEFINE5(64_mremap, unsigned long, addr,	unsigned long, old_len,
                 unsigned long, new_len, unsigned long, flags,
                 unsigned long, new_addr)
 {
-        unsigned long ret = -EINVAL;
-
         if (test_thread_flag(TIF_32BIT))
-                goto out;
-
-        down_write(&current->mm->mmap_sem);
-        ret = do_mremap(addr, old_len, new_len, flags, new_addr);
-        up_write(&current->mm->mmap_sem);
-out:
-        return ret;       
+                return -EINVAL;
+        return sys_mremap(addr, old_len, new_len, flags, new_addr);
 }
 
 /* we come to here via sys_nis_syscall so it can setup the regs argument */
diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h
index 69adc08d36a5..6e74450ff0a1 100644
--- a/arch/tile/include/asm/compat.h
+++ b/arch/tile/include/asm/compat.h
@@ -44,7 +44,6 @@ typedef __kernel_uid32_t __compat_gid32_t;
 typedef __kernel_mode_t compat_mode_t;
 typedef __kernel_dev_t compat_dev_t;
 typedef __kernel_loff_t compat_loff_t;
-typedef __kernel_nlink_t compat_nlink_t;
 typedef __kernel_ipc_pid_t compat_ipc_pid_t;
 typedef __kernel_daddr_t compat_daddr_t;
 typedef __kernel_fsid_t compat_fsid_t;
diff --git a/arch/x86/include/asm/posix_types_32.h b/arch/x86/include/asm/posix_types_32.h
index 99f262e04b91..8e525059e7d8 100644
--- a/arch/x86/include/asm/posix_types_32.h
+++ b/arch/x86/include/asm/posix_types_32.h
@@ -10,9 +10,6 @@
 typedef unsigned short  __kernel_mode_t;
 #define __kernel_mode_t __kernel_mode_t
 
-typedef unsigned short  __kernel_nlink_t;
-#define __kernel_nlink_t __kernel_nlink_t
-
 typedef unsigned short  __kernel_ipc_pid_t;
 #define __kernel_ipc_pid_t __kernel_ipc_pid_t