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Subject[PATCH 1/5] mm: huge_memory: use more folio api in __split_huge_page_tail()
Date
Use more folio APIs to save six compound_head() calls in
__split_huge_page_tail().

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
mm/huge_memory.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f31f02472396..34001ef9d029 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2507,13 +2507,13 @@ static void __split_huge_page_tail(struct folio *folio, int tail,
clear_compound_head(page_tail);

/* Finally unfreeze refcount. Additional reference from page cache. */
- page_ref_unfreeze(page_tail, 1 + (!PageAnon(head) ||
- PageSwapCache(head)));
+ page_ref_unfreeze(page_tail, 1 + (!folio_test_anon(folio) ||
+ folio_test_swapcache(folio)));

- if (page_is_young(head))
- set_page_young(page_tail);
- if (page_is_idle(head))
- set_page_idle(page_tail);
+ if (folio_test_young(folio))
+ folio_set_young(new_folio);
+ if (folio_test_idle(folio))
+ folio_set_idle(new_folio);

folio_xchg_last_cpupid(new_folio, folio_last_cpupid(folio));

--
2.27.0
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