Commit bad6da64 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

mm: convert set_compound_page_dtor() and set_compound_order() to folios 

Replace uses of compound_dtor, compound_order and compound_nr by their
folio equivalents.

Link: https://lkml.kernel.org/r/20230111142915.1001531-19-willy@infradead.org


Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 21a000fe

include/linux/mm.h

+8 −3
Original line number Diff line number Diff line
@@ -984,8 +984,11 @@ extern compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS]; 
static inline void set_compound_page_dtor(struct page *page,

		enum compound_dtor_id compound_dtor)

{

	struct folio *folio = (struct folio *)page;



	VM_BUG_ON_PAGE(compound_dtor >= NR_COMPOUND_DTORS, page);

	page[1].compound_dtor = compound_dtor;

	VM_BUG_ON_PAGE(!PageHead(page), page);

	folio->_folio_dtor = compound_dtor;

}



static inline void folio_set_compound_dtor(struct folio *folio,
@@ -999,9 +1002,11 @@ void destroy_large_folio(struct folio *folio); 


static inline void set_compound_order(struct page *page, unsigned int order)

{

	page[1].compound_order = order;

	struct folio *folio = (struct folio *)page;



	folio->_folio_order = order;

#ifdef CONFIG_64BIT

	page[1].compound_nr = 1U << order;

	folio->_folio_nr_pages = 1U << order;

#endif

}