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mm: remove the unused MIGRATE_PFN_ERROR flag 

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

Link: https://lore.kernel.org/r/20190814075928.23766-9-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Christoph Hellwig 2019-08-14 09:59:26 +02:00 committed by Jason Gunthorpe
parent f268307ec7
commit 2a915acf88
1 changed files with 0 additions and 1 deletions
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include/linux/migrate.h
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@ -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)