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lib/show_mem.c
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81f7e3824 Initial Release, ... |
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/* * Generic show_mem() implementation * * Copyright (C) 2008 Johannes Weiner <hannes@saeurebad.de> * All code subject to the GPL version 2. */ #include <linux/mm.h> #include <linux/quicklist.h> #include <linux/cma.h> void show_mem(unsigned int filter, nodemask_t *nodemask) { pg_data_t *pgdat; unsigned long total = 0, reserved = 0, highmem = 0; printk("Mem-Info: "); show_free_areas(filter, nodemask); for_each_online_pgdat(pgdat) { unsigned long flags; int zoneid; pgdat_resize_lock(pgdat, &flags); for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) { struct zone *zone = &pgdat->node_zones[zoneid]; if (!populated_zone(zone)) continue; total += zone->present_pages; reserved += zone->present_pages - zone->managed_pages; if (is_highmem_idx(zoneid)) highmem += zone->present_pages; } pgdat_resize_unlock(pgdat, &flags); } printk("%lu pages RAM ", total); printk("%lu pages HighMem/MovableOnly ", highmem); printk("%lu pages reserved ", reserved); #ifdef CONFIG_CMA printk("%lu pages cma reserved ", totalcma_pages); #endif #ifdef CONFIG_QUICKLIST printk("%lu pages in pagetable cache ", quicklist_total_size()); #endif #ifdef CONFIG_MEMORY_FAILURE printk("%lu pages hwpoisoned ", atomic_long_read(&num_poisoned_pages)); #endif } |