kill useless checks in sparc mremap variants

Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 0 insertions, 6 deletions

diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index e2d102447a43..ddda12fcbac2 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -614,12 +614,6 @@ SYSCALL_DEFINE5(64_mremap, unsigned long, addr,	unsigned long, old_len,
 
         if (test_thread_flag(TIF_32BIT))
                 goto out;
-        if (unlikely(new_len >= VA_EXCLUDE_START))
-                goto out;
-        if (unlikely(sparc_mmap_check(addr, old_len)))
-                goto out;
-        if (unlikely(sparc_mmap_check(new_addr, new_len)))
-                goto out;
 
         down_write(&current->mm->mmap_sem);
         ret = do_mremap(addr, old_len, new_len, flags, new_addr);