From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: <linux-kernel@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
<linux-mm@kvack.org>, Matthew Wilcox <willy@infradead.org>,
David Hildenbrand <david@redhat.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH 1/5] mm: huge_memory: use more folio api in __split_huge_page_tail()
Date: Fri, 3 Nov 2023 15:29:02 +0800 [thread overview]
Message-ID: <20231103072906.2000381-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20231103072906.2000381-1-wangkefeng.wang@huawei.com>
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
next prev parent reply other threads:[~2023-11-03 7:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-03 7:29 [PATCH 0/5] mm: remove page idle and young wrapper Kefeng Wang
2023-11-03 7:29 ` Kefeng Wang [this message]
2023-11-03 7:29 ` [PATCH 2/5] mm: task_mmu: use a folio in smaps_account() Kefeng Wang
2023-11-03 7:29 ` [PATCH 3/5] mm: task_mmu: use a folio in clear_refs_pte_range() Kefeng Wang
2023-11-03 7:29 ` [PATCH 4/5] fs/proc/page: use a folio in stable_page_flags() Kefeng Wang
2023-11-03 12:28 ` Matthew Wilcox
2023-11-03 13:07 ` Kefeng Wang
2023-11-03 7:29 ` [PATCH 5/5] page_idle: kill page idle and young wrapper Kefeng Wang
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