um: clean up vm-flags.h

There is no need to define VM_{STACK,DATA}_DEFAULT_FLAGS as variable.
It's also useless to test for TIF_IA32 as 64bit UML has no IA32 emulation.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 5 insertions, 39 deletions

diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile
index 61fc99a42e10..4f9563784d61 100644
--- a/arch/um/sys-x86_64/Makefile
+++ b/arch/um/sys-x86_64/Makefile
@@ -4,7 +4,7 @@
 # Licensed under the GPL
 #
 
-obj-y = bug.o bugs.o delay.o fault.o ldt.o mem.o ptrace.o ptrace_user.o \
+obj-y = bug.o bugs.o delay.o fault.o ldt.o ptrace.o ptrace_user.o \
         setjmp.o signal.o stub.o stub_segv.o syscalls.o syscall_table.o \
         sysrq.o ksyms.o tls.o
 
diff --git a/arch/um/sys-x86_64/mem.c b/arch/um/sys-x86_64/mem.c
deleted file mode 100644
index 3f8df8abf347..000000000000
--- a/arch/um/sys-x86_64/mem.c
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright 2003 PathScale, Inc.
- *
- * Licensed under the GPL
- */
-
-#include "linux/mm.h"
-#include "asm/page.h"
-#include "asm/mman.h"
-
-unsigned long vm_stack_flags = __VM_STACK_FLAGS;
-unsigned long vm_stack_flags32 = __VM_STACK_FLAGS;
-unsigned long vm_data_default_flags = __VM_DATA_DEFAULT_FLAGS;
-unsigned long vm_data_default_flags32 = __VM_DATA_DEFAULT_FLAGS;
-unsigned long vm_force_exec32 = PROT_EXEC;
-
diff --git a/arch/um/sys-x86_64/shared/sysdep/vm-flags.h b/arch/um/sys-x86_64/shared/sysdep/vm-flags.h
index 3213edfa7888..3978e55132d2 100644
--- a/arch/um/sys-x86_64/shared/sysdep/vm-flags.h
+++ b/arch/um/sys-x86_64/shared/sysdep/vm-flags.h
@@ -7,27 +7,9 @@
 #ifndef __VM_FLAGS_X86_64_H
 #define __VM_FLAGS_X86_64_H
 
-#define __VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
-                                 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#define __VM_STACK_FLAGS        (VM_GROWSDOWN | VM_READ | VM_WRITE | \
-                                 VM_EXEC | VM_MAYREAD | VM_MAYWRITE | \
-                                 VM_MAYEXEC)
-
-extern unsigned long vm_stack_flags, vm_stack_flags32;
-extern unsigned long vm_data_default_flags, vm_data_default_flags32;
-extern unsigned long vm_force_exec32;
-
-#ifdef TIF_IA32
-#define VM_DATA_DEFAULT_FLAGS \
-        (test_thread_flag(TIF_IA32) ? vm_data_default_flags32 : \
-          vm_data_default_flags)
-
-#define VM_STACK_DEFAULT_FLAGS \
-        (test_thread_flag(TIF_IA32) ? vm_stack_flags32 : vm_stack_flags)
-#endif
-
-#define VM_DATA_DEFAULT_FLAGS vm_data_default_flags
-
-#define VM_STACK_DEFAULT_FLAGS vm_stack_flags
+#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
+        VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#define VM_STACK_DEFAULT_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \
+        VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
 #endif