Commit f04029f3 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

mm: convert is_transparent_hugepage() to use a folio 

Replace a use of page->compound_dtor with its folio equivalent.

Link: https://lkml.kernel.org/r/20230111142915.1001531-20-willy@infradead.org


Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent bad6da64

mm/huge_memory.c

+5 −3
Original line number Diff line number Diff line
@@ -591,12 +591,14 @@ void prep_transhuge_page(struct page *page) 


static inline bool is_transparent_hugepage(struct page *page)

{

	struct folio *folio;



	if (!PageCompound(page))

		return false;



	page = compound_head(page);

	return is_huge_zero_page(page) ||

	       page[1].compound_dtor == TRANSHUGE_PAGE_DTOR;

	folio = page_folio(page);

	return is_huge_zero_page(&folio->page) ||

	       folio->_folio_dtor == TRANSHUGE_PAGE_DTOR;

}



static unsigned long __thp_get_unmapped_area(struct file *filp,