linux-imx

/*

 * mm_init.c - Memory initialisation verification and debugging

 *

 * Copyright 2008 IBM Corporation, 2008

 * Author Mel Gorman <mel@csn.ul.ie>

 *

 */

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/kobject.h>

#include <linux/export.h>

#include <linux/memory.h>

#include <linux/notifier.h>

#include <linux/sched.h>

#include "internal.h"

​

#ifdef CONFIG_DEBUG_MEMORY_INIT

int __meminitdata mminit_loglevel;

​

#ifndef SECTIONS_SHIFT

#define SECTIONS_SHIFT  0

#endif

​

/* The zonelists are simply reported, validation is manual. */

void __init mminit_verify_zonelist(void)

{

    int nid;

​

    if (mminit_loglevel < MMINIT_VERIFY)

        return;

​

    for_each_online_node(nid) {

        pg_data_t *pgdat = NODE_DATA(nid);

        struct zone *zone;

        struct zoneref *z;

        struct zonelist *zonelist;

        int i, listid, zoneid;

​

        BUG_ON(MAX_ZONELISTS > 2);

        for (i = 0; i < MAX_ZONELISTS * MAX_NR_ZONES; i++) {

​

            /* Identify the zone and nodelist */

            zoneid = i % MAX_NR_ZONES;

            listid = i / MAX_NR_ZONES;

            zonelist = &pgdat->node_zonelists[listid];

            zone = &pgdat->node_zones[zoneid];

            if (!populated_zone(zone))

                continue;

​

            /* Print information about the zonelist */

            printk(KERN_DEBUG "mminit::zonelist %s %d:%s = ",

                listid > 0 ? "thisnode" : "general", nid,

                zone->name);

​

            /* Iterate the zonelist */

            for_each_zone_zonelist(zone, z, zonelist, zoneid)

                pr_cont("%d:%s ", zone_to_nid(zone), zone->name);

            pr_cont("\n");

        }

    }

}

​

void __init mminit_verify_pageflags_layout(void)