Merge tag 'selinux-pr-20191007' of git://git.kernel.org/pub/scm/linux/kernel/git...
[platform/kernel/linux-rpi.git] / lib / show_mem.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Generic show_mem() implementation
4  *
5  * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de>
6  */
7
8 #include <linux/mm.h>
9 #include <linux/cma.h>
10
11 void show_mem(unsigned int filter, nodemask_t *nodemask)
12 {
13         pg_data_t *pgdat;
14         unsigned long total = 0, reserved = 0, highmem = 0;
15
16         printk("Mem-Info:\n");
17         show_free_areas(filter, nodemask);
18
19         for_each_online_pgdat(pgdat) {
20                 int zoneid;
21
22                 for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
23                         struct zone *zone = &pgdat->node_zones[zoneid];
24                         if (!populated_zone(zone))
25                                 continue;
26
27                         total += zone->present_pages;
28                         reserved += zone->present_pages - zone_managed_pages(zone);
29
30                         if (is_highmem_idx(zoneid))
31                                 highmem += zone->present_pages;
32                 }
33         }
34
35         printk("%lu pages RAM\n", total);
36         printk("%lu pages HighMem/MovableOnly\n", highmem);
37         printk("%lu pages reserved\n", reserved);
38 #ifdef CONFIG_CMA
39         printk("%lu pages cma reserved\n", totalcma_pages);
40 #endif
41 #ifdef CONFIG_MEMORY_FAILURE
42         printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
43 #endif
44 }