Re: [PATCH v4 02/16] mm/shmem: Use pagevec_lookup in shmem_unlock_mapping

[Christoph Hellwig]

On Thu, Nov 12, 2020 at 09:26:27PM +0000, Matthew Wilcox (Oracle) wrote:
> The comment shows that the reason for using find_get_entries() is now
> stale; find_get_pages() will not return 0 if it hits a consecutive run
> of swap entries, and I don't believe it has since 2011.  pagevec_lookup()
> is a simpler function to use than find_get_pages(), so use it instead.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Reviewed-by: Jan Kara <jack@xxxxxxx>
> Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>