From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>, <linux-mm@kvack.org>
Cc: <linux-kernel@vger.kernel.org>, <willy@infradead.org>,
<vishal.moola@gmail.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH -next] mm: madvise: use vm_normal_folio() in madvise_free_pte_range()
Date: Thu, 12 Jan 2023 20:40:28 +0800 [thread overview]
Message-ID: <20230112124028.16964-1-wangkefeng.wang@huawei.com> (raw)
There is already a vm_normal_folio(), use it to make
madvise_free_pte_range() only use a folio.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
mm/madvise.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/mm/madvise.c b/mm/madvise.c
index 4561aaa0e46c..7931d2649de1 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -614,7 +614,6 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr,
spinlock_t *ptl;
pte_t *orig_pte, *pte, ptent;
struct folio *folio;
- struct page *page;
int nr_swap = 0;
unsigned long next;
@@ -655,10 +654,9 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr,
continue;
}
- page = vm_normal_page(vma, addr, ptent);
- if (!page || is_zone_device_page(page))
+ folio = vm_normal_folio(vma, addr, ptent);
+ if (!folio || folio_is_zone_device(folio))
continue;
- folio = page_folio(page);
/*
* If pmd isn't transhuge but the folio is large and
--
2.35.3
next reply other threads:[~2023-01-12 12:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-12 12:40 Kefeng Wang [this message]
2023-01-12 13:16 ` Matthew Wilcox
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