Re: [PATCH v13 13/18] mm/memcg: Add folio_memcg_lock() and folio_memcg_unlock()

[Christoph Hellwig]

On Mon, Jul 12, 2021 at 08:45:46PM +0100, Matthew Wilcox (Oracle) wrote:
> These are the folio equivalents of lock_page_memcg() and
> unlock_page_memcg().
> 
> lock_page_memcg() and unlock_page_memcg() have too many callers to be
> easily replaced in a single patch, so reimplement them as wrappers for
> now to be cleaned up later when enough callers have been converted to
> use folios.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>