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-rw-r--r--mm/compaction.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index de3e1e71cd9f..585de54dbe8c 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1658,14 +1658,15 @@ static void __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
!compaction_deferred(zone, cc->order))
compact_zone(zone, cc);
- if (cc->order > 0) {
- if (zone_watermark_ok(zone, cc->order,
- low_wmark_pages(zone), 0, 0))
- compaction_defer_reset(zone, cc->order, false);
- }
-
VM_BUG_ON(!list_empty(&cc->freepages));
VM_BUG_ON(!list_empty(&cc->migratepages));
+
+ if (is_via_compact_memory(cc->order))
+ continue;
+
+ if (zone_watermark_ok(zone, cc->order,
+ low_wmark_pages(zone), 0, 0))
+ compaction_defer_reset(zone, cc->order, false);
}
}
@@ -1708,7 +1709,10 @@ static void compact_nodes(void)
/* The written value is actually unused, all memory is compacted */
int sysctl_compact_memory;
-/* This is the entry point for compacting all nodes via /proc/sys/vm */
+/*
+ * This is the entry point for compacting all nodes via
+ * /proc/sys/vm/compact_memory
+ */
int sysctl_compaction_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *length, loff_t *ppos)
{