[PATCH] mm/migrate: fix pmd_migration_entry_wait() (merge issue in linux-next)
From: Dan Carpenter <hidden>
Date: 2021-12-16 08:39:36
Subsystem:
memory management, memory management - memory policy and migration, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
The "ptl = pmd_lock(mm, pmd);" line was accidentally deleted in the
linux-next merge for next-20211214.
Fixes: fd93c9fe58cc ("Merge branch 'akpm-current/current'")
Signed-off-by: Dan Carpenter <redacted>
---
mm/migrate.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/migrate.c b/mm/migrate.c
index 8d93dfb0b9e1..c9296d63878d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c@@ -339,6 +339,8 @@ void pmd_migration_entry_wait(struct mm_struct *mm, pmd_t *pmd) { spinlock_t *ptl; struct folio *folio; + + ptl = pmd_lock(mm, pmd); if (!is_pmd_migration_entry(*pmd)) goto unlock; folio = page_folio(pfn_swap_entry_to_page(pmd_to_swp_entry(*pmd)));
--
2.20.1