Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Generic show_mem() implementation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/cma.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <trace/hooks/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) void show_mem(unsigned int filter, nodemask_t *nodemask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	pg_data_t *pgdat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	unsigned long total = 0, reserved = 0, highmem = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	printk("Mem-Info:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	show_free_areas(filter, nodemask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	for_each_online_pgdat(pgdat) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		int zoneid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 			struct zone *zone = &pgdat->node_zones[zoneid];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 			if (!populated_zone(zone))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			total += zone->present_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 			reserved += zone->present_pages - zone_managed_pages(zone);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 			if (is_highmem_idx(zoneid))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 				highmem += zone->present_pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	printk("%lu pages RAM\n", total);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	printk("%lu pages HighMem/MovableOnly\n", highmem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	printk("%lu pages reserved\n", reserved);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #ifdef CONFIG_CMA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	printk("%lu pages cma reserved\n", totalcma_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #ifdef CONFIG_MEMORY_FAILURE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	trace_android_vh_show_mem(filter, nodemask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) EXPORT_SYMBOL_GPL(show_mem);