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Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c15
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",