diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/vmstat.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 1fb91d5a2b60..5437a7861089 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1858,6 +1858,14 @@ int vmstat_refresh(struct ctl_table *table, int write, if (err) return err; for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) { + /* + * Skip checking stats known to go negative occasionally. + */ + switch (i) { + case NR_ZONE_WRITE_PENDING: + case NR_FREE_CMA_PAGES: + continue; + } val = atomic_long_read(&vm_zone_stat[i]); if (val < 0) { pr_warn("%s: %s %ld\n", @@ -1874,6 +1882,13 @@ int vmstat_refresh(struct ctl_table *table, int write, } #endif for (i = 0; i < NR_VM_NODE_STAT_ITEMS; i++) { + /* + * Skip checking stats known to go negative occasionally. + */ + switch (i) { + case NR_WRITEBACK: + continue; + } val = atomic_long_read(&vm_node_stat[i]); if (val < 0) { pr_warn("%s: %s %ld\n", |