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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>
This commit is contained in:
Richard Weinberger 2011-07-25 17:12:44 -07:00 committed by Linus Torvalds
parent 5ec80e50e1
commit 7213de044e
3 changed files with 5 additions and 39 deletions
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2
arch/um/sys-x86_64/Makefile
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@ -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

16
arch/um/sys-x86_64/mem.c
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@ -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;

26
arch/um/sys-x86_64/shared/sysdep/vm-flags.h
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@ -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