Re: [PATCH v2 16/19] hugetlb: Convert to migrate_folio

[Mike Kravetz]

On 6/8/22 08:02, Matthew Wilcox (Oracle) wrote:
> This involves converting migrate_huge_page_move_mapping().  We also need a
> folio variant of hugetlb_set_page_subpool(), but that's for a later patch.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> ---
>  fs/hugetlbfs/inode.c    | 23 ++++++++++++++---------
>  include/linux/migrate.h |  6 +++---
>  mm/migrate.c            | 18 +++++++++---------
>  3 files changed, 26 insertions(+), 21 deletions(-)
> 

Thanks,

> diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
> index 14d33f725e05..eca1d0fabd7e 100644
> --- a/fs/hugetlbfs/inode.c
> +++ b/fs/hugetlbfs/inode.c
> @@ -954,28 +954,33 @@ static int hugetlbfs_symlink(struct user_namespace *mnt_userns,
>  	return error;
>  }
>  
> -static int hugetlbfs_migrate_page(struct address_space *mapping,
> -				struct page *newpage, struct page *page,
> +#ifdef CONFIG_MIGRATION

and, thanks for adding the #ifdef CONFIG_MIGRATION to save a little space.

Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>

-- 
Mike Kravetz