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-rw-r--r--mm/migrate.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 2fd8b4af4744..77f4e70df24d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1461,7 +1461,7 @@ int migrate_vmas(struct mm_struct *mm, const nodemask_t *to,
* pages. Currently it only checks the watermarks which crude
*/
static bool migrate_balanced_pgdat(struct pglist_data *pgdat,
- int nr_migrate_pages)
+ unsigned long nr_migrate_pages)
{
int z;
for (z = pgdat->nr_zones - 1; z >= 0; z--) {
@@ -1559,8 +1559,10 @@ int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page)
{
int ret = 0;
+ VM_BUG_ON(compound_order(page) && !PageTransHuge(page));
+
/* Avoid migrating to a node that is nearly full */
- if (migrate_balanced_pgdat(pgdat, 1)) {
+ if (migrate_balanced_pgdat(pgdat, 1UL << compound_order(page))) {
int page_lru;
if (isolate_lru_page(page)) {