[PATCH 8/9] mm: remove the unused MIGRATE_PFN_ERROR flag

[Christoph Hellwig]

Now that we can rely errors in the normal control flow there is no
need for this flag, remove it.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Ralph Campbell <rcampbell@xxxxxxxxxx>
---
 include/linux/migrate.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 18156d379ebf..1e67dcfd318f 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -167,7 +167,6 @@ static inline int migrate_misplaced_transhuge_page(struct mm_struct *mm,
 #define MIGRATE_PFN_LOCKED	(1UL << 2)
 #define MIGRATE_PFN_WRITE	(1UL << 3)
 #define MIGRATE_PFN_DEVICE	(1UL << 4)
-#define MIGRATE_PFN_ERROR	(1UL << 5)
 #define MIGRATE_PFN_SHIFT	6
 
 static inline struct page *migrate_pfn_to_page(unsigned long mpfn)
-- 
2.20.1