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Patch series "Convert a couple migrate functions to use folios", v2. This patchset introduces folio_movable_ops() and converts 3 functions in mm/migrate.c to use folios. It also introduces folio_get_nontail_page() for folio conversions which may want to distinguish between head and tail pages. This patch (of 4): folio_get_nontail_page() returns the folio associated with a head page. This is necessary for folio conversions where the behavior of that function differs between head pages and tail pages. Link: https://lkml.kernel.org/r/20230130214352.40538-1-vishal.moola@gmail.com Link: https://lkml.kernel.org/r/20230130214352.40538-2-vishal.moola@gmail.com Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>