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Commit | Line | Data |
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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/quicklist.h> | |
10 | #include <linux/cma.h> | |
11 | ||
12 | void show_mem(unsigned int filter) | |
13 | { | |
14 | pg_data_t *pgdat; | |
15 | unsigned long total = 0, reserved = 0, highmem = 0; | |
16 | ||
17 | printk("Mem-Info:\n"); | |
18 | show_free_areas(filter); | |
19 | ||
20 | for_each_online_pgdat(pgdat) { | |
21 | unsigned long flags; | |
22 | int zoneid; | |
23 | ||
24 | pgdat_resize_lock(pgdat, &flags); | |
25 | for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) { | |
26 | struct zone *zone = &pgdat->node_zones[zoneid]; | |
27 | if (!populated_zone(zone)) | |
28 | continue; | |
29 | ||
30 | total += zone->present_pages; | |
31 | reserved += zone->present_pages - zone->managed_pages; | |
32 | ||
33 | if (is_highmem_idx(zoneid)) | |
34 | highmem += zone->present_pages; | |
35 | } | |
36 | pgdat_resize_unlock(pgdat, &flags); | |
37 | } | |
38 | ||
39 | printk("%lu pages RAM\n", total); | |
40 | printk("%lu pages HighMem/MovableOnly\n", highmem); | |
41 | #ifdef CONFIG_CMA | |
42 | printk("%lu pages reserved\n", (reserved - totalcma_pages)); | |
43 | printk("%lu pages cma reserved\n", totalcma_pages); | |
44 | #else | |
45 | printk("%lu pages reserved\n", reserved); | |
46 | #endif | |
47 | #ifdef CONFIG_QUICKLIST | |
48 | printk("%lu pages in pagetable cache\n", | |
49 | quicklist_total_size()); | |
50 | #endif | |
51 | #ifdef CONFIG_MEMORY_FAILURE | |
52 | printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); | |
53 | #endif | |
54 | } |