Commit 2d678c64 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

hugetlb: remove uses of compound_dtor and compound_nr 

Convert the entire file to use the folio equivalents.

Link: https://lkml.kernel.org/r/20230111142915.1001531-22-willy@infradead.org


Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent a60d5942

mm/hugetlb.c

+7 −5
Original line number Diff line number Diff line
@@ -2038,11 +2038,12 @@ static bool prep_compound_gigantic_folio_for_demote(struct folio *folio, 
 */

int PageHuge(struct page *page)

{

	struct folio *folio;



	if (!PageCompound(page))

		return 0;



	page = compound_head(page);

	return page[1].compound_dtor == HUGETLB_PAGE_DTOR;

	folio = page_folio(page);

	return folio->_folio_dtor == HUGETLB_PAGE_DTOR;

}

EXPORT_SYMBOL_GPL(PageHuge);
@@ -2052,10 +2053,11 @@ EXPORT_SYMBOL_GPL(PageHuge); 
 */

int PageHeadHuge(struct page *page_head)

{

	if (!PageHead(page_head))

	struct folio *folio = (struct folio *)page_head;

	if (!folio_test_large(folio))

		return 0;



	return page_head[1].compound_dtor == HUGETLB_PAGE_DTOR;

	return folio->_folio_dtor == HUGETLB_PAGE_DTOR;

}

EXPORT_SYMBOL_GPL(PageHeadHuge);