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-rw-r--r--mm/migrate.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index ce35afdbc1e3..eca3bf0e93b8 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -486,6 +486,11 @@ int folio_migrate_mapping(struct address_space *mapping,
if (folio_test_swapbacked(folio) && !folio_test_swapcache(folio)) {
__mod_lruvec_state(old_lruvec, NR_SHMEM, -nr);
__mod_lruvec_state(new_lruvec, NR_SHMEM, nr);
+
+ if (folio_test_pmd_mappable(folio)) {
+ __mod_lruvec_state(old_lruvec, NR_SHMEM_THPS, -nr);
+ __mod_lruvec_state(new_lruvec, NR_SHMEM_THPS, nr);
+ }
}
#ifdef CONFIG_SWAP
if (folio_test_swapcache(folio)) {