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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: 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 14:29:05 +00:00 committed by Andrew Morton
parent bad6da6456
commit f04029f34e
1 changed files with 5 additions and 3 deletions
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8
mm/huge_memory.c
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@ -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,