2 files changed, 5 insertions, 25 deletions

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/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 */