Commit 46f27228 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

hugetlb: remove uses of folio_mapcount_ptr 

Use the entire_mapcount field directly.

Link: https://lkml.kernel.org/r/20230111142915.1001531-14-willy@infradead.org


Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 91ec7f28

mm/hugetlb.c

+2 −2
Original line number Diff line number Diff line
@@ -1474,7 +1474,7 @@ static void __destroy_compound_gigantic_folio(struct folio *folio, 
	int nr_pages = 1 << order;

	struct page *p;



	atomic_set(folio_mapcount_ptr(folio), 0);

	atomic_set(&folio->_entire_mapcount, 0);

	atomic_set(&folio->_nr_pages_mapped, 0);

	atomic_set(&folio->_pincount, 0);
@@ -1996,7 +1996,7 @@ static bool __prep_compound_gigantic_folio(struct folio *folio, 
		if (i != 0)

			set_compound_head(p, &folio->page);

	}

	atomic_set(folio_mapcount_ptr(folio), -1);

	atomic_set(&folio->_entire_mapcount, -1);

	atomic_set(&folio->_nr_pages_mapped, 0);

	atomic_set(&folio->_pincount, 0);

	return true;