56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
|
|
* 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>
|
|
#include <linux/cma.h>
|
|
|
|
void show_mem(unsigned int filter)
|
|
{
|
|
pg_data_t *pgdat;
|
|
unsigned long total = 0, reserved = 0, highmem = 0;
|
|
|
|
printk("Mem-Info:\n");
|
|
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\n", total);
|
|
printk("%lu pages HighMem/MovableOnly\n", highmem);
|
|
#ifdef CONFIG_CMA
|
|
printk("%lu pages reserved\n", (reserved - totalcma_pages));
|
|
printk("%lu pages cma reserved\n", totalcma_pages);
|
|
#else
|
|
printk("%lu pages reserved\n", reserved);
|
|
#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
|
|
}
|