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f2d273927e
This replaces activate_page() and eliminates lots of calls to compound_head(). Saves net 118 bytes of kernel text. There are still some redundant calls to page_folio() here which will be removed when pagevec_lru_move_fn() is converted to use folios. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: David Howells <dhowells@redhat.com> Acked-by: Vlastimil Babka <vbabka@suse.cz>