// SPDX-License-Identifier: GPL-2.0-only

  /*
   * Generic show_mem() implementation
   *
   * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de>

   */
  
  #include <linux/mm.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:
  ");

  	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
  ", total);

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

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

  #ifdef CONFIG_CMA

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

  #endif

  #ifdef CONFIG_MEMORY_FAILURE
  	printk("%lu pages hwpoisoned
  ", atomic_long_read(&num_poisoned_pages));
  #endif

  }