Use a folio in zap_huge_pmd() which replaces two compound_head()
call with one page_folio() call.
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
mm/huge_memory.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 054336ecab0a..2dba4d3aa2d3 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1717,6 +1717,7 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
spin_unlock(ptl);
} else {
struct page *page = NULL;
+ struct folio *folio = NULL;
int flush_needed = 1;
if (pmd_present(orig_pmd)) {
@@ -1734,13 +1735,14 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
} else
WARN_ONCE(1, "Non present huge pmd without pmd migration enabled!");
- if (PageAnon(page)) {
+ folio = page_folio(page);
+ if (folio_test_anon(folio)) {
zap_deposited_table(tlb->mm, pmd);
add_mm_counter(tlb->mm, MM_ANONPAGES, -HPAGE_PMD_NR);
} else {
if (arch_needs_pgtable_deposit())
zap_deposited_table(tlb->mm, pmd);
- add_mm_counter(tlb->mm, mm_counter_file(page), -HPAGE_PMD_NR);
+ add_mm_counter(tlb->mm, mm_counter_file_folio(folio), -HPAGE_PMD_NR);
}
spin_unlock(ptl);
--
2.27.0
