1. 根目录:
2. arch
3. um
4. sys-x86_64
5. mem.c

/*
 * 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;