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31e12cb6 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
454c63b0 JW |
2 | /* |
3 | * Generic show_mem() implementation | |
4 | * | |
5 | * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de> | |
454c63b0 JW |
6 | */ |
7 | ||
8 | #include <linux/mm.h> | |
49abd8c2 | 9 | #include <linux/cma.h> |
454c63b0 | 10 | |
974f4367 | 11 | void __show_mem(unsigned int filter, nodemask_t *nodemask, int max_zone_idx) |
454c63b0 | 12 | { |
c78e9363 | 13 | unsigned long total = 0, reserved = 0, highmem = 0; |
13215e8a | 14 | struct zone *zone; |
454c63b0 | 15 | |
f047f4f3 | 16 | printk("Mem-Info:\n"); |
974f4367 | 17 | __show_free_areas(filter, nodemask, max_zone_idx); |
454c63b0 | 18 | |
13215e8a | 19 | for_each_populated_zone(zone) { |
454c63b0 | 20 | |
13215e8a YD |
21 | total += zone->present_pages; |
22 | reserved += zone->present_pages - zone_managed_pages(zone); | |
454c63b0 | 23 | |
13215e8a YD |
24 | if (is_highmem(zone)) |
25 | highmem += zone->present_pages; | |
454c63b0 JW |
26 | } |
27 | ||
f047f4f3 | 28 | printk("%lu pages RAM\n", total); |
c78e9363 | 29 | printk("%lu pages HighMem/MovableOnly\n", highmem); |
156408c0 | 30 | printk("%lu pages reserved\n", reserved); |
49abd8c2 | 31 | #ifdef CONFIG_CMA |
49abd8c2 | 32 | printk("%lu pages cma reserved\n", totalcma_pages); |
49abd8c2 | 33 | #endif |
25487d73 XQ |
34 | #ifdef CONFIG_MEMORY_FAILURE |
35 | printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); | |
36 | #endif | |
454c63b0 | 37 | } |