Messages in this thread | | | Subject | Re: [PATCH 7/9] mm: remove the unused MIGRATE_PFN_ERROR flag | From | Ralph Campbell <> | Date | Mon, 29 Jul 2019 16:29:55 -0700 |
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On 7/29/19 7:28 AM, Christoph Hellwig wrote: > We don't use this flag anymore, so remove it. > > Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
> --- > include/linux/migrate.h | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/include/linux/migrate.h b/include/linux/migrate.h > index 093d67fcf6dd..229153c2c496 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
The MIGRATE_PFN_SHIFT could be reduced to 5 since it is only used to make room for the flags.
> static inline struct page *migrate_pfn_to_page(unsigned long mpfn) >
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