mm: Add lru_to_folio()
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Mon, 17 Jan 2022 19:40:12 +0000 (14:40 -0500)
committerMatthew Wilcox (Oracle) <willy@infradead.org>
Mon, 21 Mar 2022 16:59:01 +0000 (12:59 -0400)
commit06d20bdb986815a75fb1addf34655756ba922e3a
treed7162d908b5af818921ab377cbdd415ddb1d431f
parent3ecb0087ecee6213544a1e0b838826a0f4831ce5
mm: Add lru_to_folio()

Since page->lru occupies the same bytes as compound_head, any page
on the LRU list must be a folio.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
include/linux/mm.h