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kernel/linux-imx6_3.14.28/lib/show_mem.c 1.16 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * 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/nmi.h>
  #include <linux/quicklist.h>
  
  void show_mem(unsigned int filter)
  {
  	pg_data_t *pgdat;
  	unsigned long total = 0, reserved = 0, highmem = 0;
  
  	printk("Mem-Info:
  ");
  	show_free_areas(filter);
  
  	for_each_online_pgdat(pgdat) {
  		unsigned long flags;
  		int zoneid;
  
  		pgdat_resize_lock(pgdat, &flags);
  		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;
  
  			if (is_highmem_idx(zoneid))
  				highmem += zone->present_pages;
  		}
  		pgdat_resize_unlock(pgdat, &flags);
  	}
  
  	printk("%lu pages RAM
  ", total);
  	printk("%lu pages HighMem/MovableOnly
  ", highmem);
  	printk("%lu pages reserved
  ", reserved);
  #ifdef CONFIG_QUICKLIST
  	printk("%lu pages in pagetable cache
  ",
  		quicklist_total_size());
  #endif
  #ifdef CONFIG_MEMORY_FAILURE
  	printk("%lu pages hwpoisoned
  ", atomic_long_read(&num_poisoned_pages));
  #endif
  }