sparc_brk() is not needed anymore

the checks it's doing are duplicated in sys_brk() and failing
them early makes no sense, AFAICT.

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, 12 deletions

diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 8f9cd58497d..cfa0e19abe3 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -403,18 +403,6 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
         }
 }
 
-SYSCALL_DEFINE1(sparc_brk, unsigned long, brk)
-{
-        /* People could try to be nasty and use ta 0x6d in 32bit programs */
-        if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32)
-                return current->mm->brk;
-
-        if (unlikely(straddles_64bit_va_hole(current->mm->brk, brk)))
-                return current->mm->brk;
-
-        return sys_brk(brk);
-}
-                                                                
 /*
  * sys_pipe() is the normal C calling standard for creating
  * a pipe. It's not the way unix traditionally does this, though.