diff options
author | Alex Shi <alex.shi@linaro.org> | 2018-03-26 02:32:53 +0000 |
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committer | Alex Shi <alex.shi@linaro.org> | 2018-03-26 02:32:53 +0000 |
commit | 38b587878eee8f9f2664135ab76805d0510bb997 (patch) | |
tree | 66f5c8eb8821dc7fa1fe91741b24ff7291ef3bf1 /mm/vmstat.c | |
parent | 323174b55ef1de0c70ed0b268fcaf9f2d6f842c6 (diff) | |
parent | 24f70aa804cd7f8fee4353cf4990997d1c8375ae (diff) |
Merge tag 'v4.9.90' into linux-linaro-lsk-v4.9lsk-v4.9-18.03
This is the 4.9.90 stable release
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r-- | mm/vmstat.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 3863b5d6d598..68b3193e4493 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1387,18 +1387,24 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat, zone->present_pages, zone->managed_pages); - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - seq_printf(m, "\n %-12s %lu", vmstat_text[i], - zone_page_state(zone, i)); - seq_printf(m, "\n protection: (%ld", zone->lowmem_reserve[0]); for (i = 1; i < ARRAY_SIZE(zone->lowmem_reserve); i++) seq_printf(m, ", %ld", zone->lowmem_reserve[i]); - seq_printf(m, - ")" - "\n pagesets"); + seq_putc(m, ')'); + + /* If unpopulated, no other information is useful */ + if (!populated_zone(zone)) { + seq_putc(m, '\n'); + return; + } + + for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) + seq_printf(m, "\n %-12s %lu", vmstat_text[i], + zone_page_state(zone, i)); + + seq_printf(m, "\n pagesets"); for_each_online_cpu(i) { struct per_cpu_pageset *pageset; |