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454c63b0 JW |
1 | /* |
2 | * Generic show_mem() implementation | |
3 | * | |
4 | * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de> | |
5 | * All code subject to the GPL version 2. | |
6 | */ | |
7 | ||
8 | #include <linux/mm.h> | |
9 | #include <linux/nmi.h> | |
10 | #include <linux/quicklist.h> | |
49abd8c2 | 11 | #include <linux/cma.h> |
454c63b0 | 12 | |
b2b755b5 | 13 | void show_mem(unsigned int filter) |
454c63b0 JW |
14 | { |
15 | pg_data_t *pgdat; | |
c78e9363 | 16 | unsigned long total = 0, reserved = 0, highmem = 0; |
454c63b0 | 17 | |
f047f4f3 | 18 | printk("Mem-Info:\n"); |
7bf02ea2 | 19 | show_free_areas(filter); |
454c63b0 JW |
20 | |
21 | for_each_online_pgdat(pgdat) { | |
c78e9363 MG |
22 | unsigned long flags; |
23 | int zoneid; | |
454c63b0 JW |
24 | |
25 | pgdat_resize_lock(pgdat, &flags); | |
c78e9363 MG |
26 | for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) { |
27 | struct zone *zone = &pgdat->node_zones[zoneid]; | |
28 | if (!populated_zone(zone)) | |
454c63b0 JW |
29 | continue; |
30 | ||
c78e9363 | 31 | total += zone->present_pages; |
bc127bda | 32 | reserved += zone->present_pages - zone->managed_pages; |
454c63b0 | 33 | |
c78e9363 MG |
34 | if (is_highmem_idx(zoneid)) |
35 | highmem += zone->present_pages; | |
454c63b0 JW |
36 | } |
37 | pgdat_resize_unlock(pgdat, &flags); | |
38 | } | |
39 | ||
f047f4f3 | 40 | printk("%lu pages RAM\n", total); |
c78e9363 | 41 | printk("%lu pages HighMem/MovableOnly\n", highmem); |
49abd8c2 VPS |
42 | #ifdef CONFIG_CMA |
43 | printk("%lu pages reserved\n", (reserved - totalcma_pages)); | |
44 | printk("%lu pages cma reserved\n", totalcma_pages); | |
45 | #else | |
f047f4f3 | 46 | printk("%lu pages reserved\n", reserved); |
49abd8c2 | 47 | #endif |
454c63b0 | 48 | #ifdef CONFIG_QUICKLIST |
f047f4f3 | 49 | printk("%lu pages in pagetable cache\n", |
454c63b0 JW |
50 | quicklist_total_size()); |
51 | #endif | |
25487d73 XQ |
52 | #ifdef CONFIG_MEMORY_FAILURE |
53 | printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); | |
54 | #endif | |
454c63b0 | 55 | } |