mm: do_fault(): extract to call vm_ops->do_fault() to separate function

[firefly-linux-kernel-4.4.55.git] / mm / process_vm_access.c

diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index fd26d0433509e2b5885c74249a9eb04828285180..cb79065c19e55f054888430555b44199425dd72b 100644 (file)
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -412,7 +412,7 @@ SYSCALL_DEFINE6(process_vm_writev, pid_t, pid,
 
 #ifdef CONFIG_COMPAT
 
-asmlinkage ssize_t
+static ssize_t
 compat_process_vm_rw(compat_pid_t pid,
                     const struct compat_iovec __user *lvec,
                     unsigned long liovcnt,
@@ -456,25 +456,23 @@ free_iovecs:
        return rc;
 }
 
-asmlinkage ssize_t
-compat_sys_process_vm_readv(compat_pid_t pid,
-                           const struct compat_iovec __user *lvec,
-                           unsigned long liovcnt,
-                           const struct compat_iovec __user *rvec,
-                           unsigned long riovcnt,
-                           unsigned long flags)
+COMPAT_SYSCALL_DEFINE6(process_vm_readv, compat_pid_t, pid,
+                      const struct compat_iovec __user *, lvec,
+                      compat_ulong_t, liovcnt,
+                      const struct compat_iovec __user *, rvec,
+                      compat_ulong_t, riovcnt,
+                      compat_ulong_t, flags)
 {
        return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
                                    riovcnt, flags, 0);
 }
 
-asmlinkage ssize_t
-compat_sys_process_vm_writev(compat_pid_t pid,
-                            const struct compat_iovec __user *lvec,
-                            unsigned long liovcnt,
-                            const struct compat_iovec __user *rvec,
-                            unsigned long riovcnt,
-                            unsigned long flags)
+COMPAT_SYSCALL_DEFINE6(process_vm_writev, compat_pid_t, pid,
+                      const struct compat_iovec __user *, lvec,
+                      compat_ulong_t, liovcnt,
+                      const struct compat_iovec __user *, rvec,
+                      compat_ulong_t, riovcnt,
+                      compat_ulong_t, flags)
 {
        return compat_process_vm_rw(pid, lvec, liovcnt, rvec,
                                    riovcnt, flags, 1);