projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 454c63b0 JW |
1 | /* |
| 2 | * Generic show_mem() implementation | |
| 3 | * | |
| 4 | * Copyright (C) 2008 Johannes Weiner <[email protected]> | |
| 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> | |
| 11 | ||
| b2b755b5 | 12 | void show_mem(unsigned int filter) |
| 454c63b0 JW |
13 | { |
| 14 | pg_data_t *pgdat; | |
| c78e9363 | 15 | unsigned long total = 0, reserved = 0, highmem = 0; |
| 454c63b0 | 16 | |
| f047f4f3 | 17 | printk("Mem-Info:\n"); |
| 7bf02ea2 | 18 | show_free_areas(filter); |
| 454c63b0 | 19 | |
| 4b59e6c4 DR |
20 | if (filter & SHOW_MEM_FILTER_PAGE_COUNT) |
| 21 | return; | |
| 22 | ||
| 454c63b0 | 23 | for_each_online_pgdat(pgdat) { |
| c78e9363 MG |
24 | unsigned long flags; |
| 25 | int zoneid; | |
| 454c63b0 JW |
26 | |
| 27 | pgdat_resize_lock(pgdat, &flags); | |
| c78e9363 MG |
28 | for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) { |
| 29 | struct zone *zone = &pgdat->node_zones[zoneid]; | |
| 30 | if (!populated_zone(zone)) | |
| 454c63b0 JW |
31 | continue; |
| 32 | ||
| c78e9363 MG |
33 | total += zone->present_pages; |
| 34 | reserved = zone->present_pages - zone->managed_pages; | |
| 454c63b0 | 35 | |
| c78e9363 MG |
36 | if (is_highmem_idx(zoneid)) |
| 37 | highmem += zone->present_pages; | |
| 454c63b0 JW |
38 | } |
| 39 | pgdat_resize_unlock(pgdat, &flags); | |
| 40 | } | |
| 41 | ||
| f047f4f3 | 42 | printk("%lu pages RAM\n", total); |
| c78e9363 | 43 | printk("%lu pages HighMem/MovableOnly\n", highmem); |
| f047f4f3 | 44 | printk("%lu pages reserved\n", reserved); |
| 454c63b0 | 45 | #ifdef CONFIG_QUICKLIST |
| f047f4f3 | 46 | printk("%lu pages in pagetable cache\n", |
| 454c63b0 JW |
47 | quicklist_total_size()); |
| 48 | #endif | |
| 49 | } |