linux-imx

/*

 * Generic show_mem() implementation

 *

 * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de>

 * All code subject to the GPL version 2.

 */

​

#include <linux/mm.h>

#include <linux/quicklist.h>

#include <linux/cma.h>

​

void show_mem(unsigned int filter, nodemask_t *nodemask)

{

    pg_data_t *pgdat;

    unsigned long total = 0, reserved = 0, highmem = 0;

​

    printk("Mem-Info:\n");

    show_free_areas(filter, nodemask);

​

    for_each_online_pgdat(pgdat) {

        int zoneid;

​

        for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {

            struct zone *zone = &pgdat->node_zones[zoneid];

            if (!populated_zone(zone))

                continue;

​

            total += zone->present_pages;

            reserved += zone->present_pages - zone_managed_pages(zone);

​

            if (is_highmem_idx(zoneid))

                highmem += zone->present_pages;

        }

    }

​

    printk("%lu pages RAM\n", total);

    printk("%lu pages HighMem/MovableOnly\n", highmem);

    printk("%lu pages reserved\n", reserved);

#ifdef CONFIG_CMA

    printk("%lu pages cma reserved\n", totalcma_pages);

#endif

#ifdef CONFIG_QUICKLIST

    printk("%lu pages in pagetable cache\n",

        quicklist_total_size());

#endif

#ifdef CONFIG_MEMORY_FAILURE

    printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));

#endif

}