mm/memcg: Add folio_lruvec_lock() and similar functions
These are the folio equivalents of lock_page_lruvec() and similar functions. Also convert lruvec_memcg_debug() to take a folio. Signed-off-by: NMatthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: NChristoph Hellwig <hch@lst.de> Reviewed-by: NDavid Howells <dhowells@redhat.com> Acked-by: NVlastimil Babka <vbabka@suse.cz>
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