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hugetlb: remove uses of compound_dtor and compound_nr

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Convert the entire file to use the folio equivalents.

Link: https://lkml.kernel.org/r/20230111142915.1001531-22-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-01-11 14:29:07 +00:00 committed by Andrew Morton
parent a60d5942cc
commit 2d678c641a
1 changed files with 7 additions and 5 deletions
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12
mm/hugetlb.c
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@ -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);