| Date | Sat, 14 Nov 2020 10:53:07 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH v4 01/16] mm: Make pagecache tagged lookups return only head pages |
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On Thu, Nov 12, 2020 at 09:26:26PM +0000, Matthew Wilcox (Oracle) wrote: > Pagecache tags are used for dirty page writeback. Since dirtiness is > tracked on a per-THP basis, we only want to return the head page rather > than each subpage of a tagged page. All the filesystems which use huge > pages today are in-memory, so there are no tagged huge pages today. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > Reviewed-by: Jan Kara <jack@suse.cz> > Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
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