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/*

 *  linux/mm/memory.c

 *

 *  Copyright (C) 1991, 1992, 1993, 1994  Linus Torvalds

 */

/*

 * uClinux revisions for NO_MM

 * Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>,

 *                     The Silver Hammer Group, Ltd.

 */

#include <linux/config.h>

#include <linux/signal.h>

#include <linux/sched.h>

#include <linux/head.h>

#include <linux/kernel.h>

#include <linux/errno.h>

#include <linux/string.h>

#include <linux/types.h>

#include <linux/ptrace.h>

#include <linux/mman.h>

#include <linux/mm.h>

#include <linux/malloc.h>

#include <linux/swap.h>

#include <asm/system.h>

#include <asm/segment.h>

#include <asm/pgtable.h>

#include <asm/string.h>

unsigned long high_memory = 0;

mem_map_t * mem_map = NULL;

/*

 * oom() prints a message (so that the user knows why the process died),

 * and gives the process an untrappable SIGKILL.

 */

void oom(struct task_struct * task)

{

        printk("\nOut of memory for %s.\n", task->comm);

        task->sig->action[SIGKILL-1].sa_handler = NULL;

        task->blocked &= ~(1<<(SIGKILL-1));

        send_sig(SIGKILL,task,1);

}

#ifdef DEBUG_VERIFY_AREA

#undef verify_area

int verify_area_flf(int type, const void * addr, unsigned long size, char *file, int line, char * function)

{

        int result;

        result = verify_area(type, addr, size);

        if (result)

                printk("%s:%d %s> verify_area(%d,%p,%ld) = %d\n",file,line, function, type, addr, size, result);

        return result;

}

#endif /* DEBUG_VERIFY_AREA */

/* FIXME:  Need to check the architecture memory map

 * DJD.

 */

int verify_area(int type, const void * addr, unsigned long size)

{

#ifdef CONFIG_COLDFIRE

        extern unsigned long _ramend;

        if ((unsigned long)addr > _ramend) {

#else

        if ((unsigned long)addr > 0xf0800000) {

#endif

                printk("Bad verify_area in process %d: %lx\n",

                        current->pid, (unsigned long)addr);

                return -EFAULT;

        }

        return 0;

}