mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-18 17:54:13 +08:00
bc127bda37
Minor fixlet to perform the reserved pages counter aggregation for each node, at show_mem() Signed-off-by: Rafael Aquini <aquini@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <jweiner@redhat.com> Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
|
|
* 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/nmi.h>
|
|
#include <linux/quicklist.h>
|
|
|
|
void show_mem(unsigned int filter)
|
|
{
|
|
pg_data_t *pgdat;
|
|
unsigned long total = 0, reserved = 0, highmem = 0;
|
|
|
|
printk("Mem-Info:\n");
|
|
show_free_areas(filter);
|
|
|
|
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\n", total);
|
|
printk("%lu pages HighMem/MovableOnly\n", highmem);
|
|
printk("%lu pages reserved\n", reserved);
|
|
#ifdef CONFIG_QUICKLIST
|
|
printk("%lu pages in pagetable cache\n",
|
|
quicklist_total_size());
|
|
#endif
|
|
#ifdef CONFIG_MEMORY_FAILURE
|
|
printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages));
|
|
#endif
|
|
}
|