| 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, int max_zone_idx) |
| 12 | { |
| 13 | unsigned long total = 0, reserved = 0, highmem = 0; |
| 14 | struct zone *zone; |
| 15 | |
| 16 | printk("Mem-Info:\n"); |
| 17 | __show_free_areas(filter, nodemask, max_zone_idx); |
| 18 | |
| 19 | for_each_populated_zone(zone) { |
| 20 | |
| 21 | total += zone->present_pages; |
| 22 | reserved += zone->present_pages - zone_managed_pages(zone); |
| 23 | |
| 24 | if (is_highmem(zone)) |
| 25 | highmem += zone->present_pages; |
| 26 | } |
| 27 | |
| 28 | printk("%lu pages RAM\n", total); |
| 29 | printk("%lu pages HighMem/MovableOnly\n", highmem); |
| 30 | printk("%lu pages reserved\n", reserved); |
| 31 | #ifdef CONFIG_CMA |
| 32 | printk("%lu pages cma reserved\n", totalcma_pages); |
| 33 | #endif |
| 34 | #ifdef CONFIG_MEMORY_FAILURE |
| 35 | printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); |
| 36 | #endif |
| 37 | } |