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mm: madvise: use vm_normal_folio() in madvise_free_pte_range()

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There is already a vm_normal_folio(), use it to make
madvise_free_pte_range() only use a folio.

Link: https://lkml.kernel.org/r/20230112124028.16964-1-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2023-01-12 20:40:28 +08:00 committed by Andrew Morton
parent 69bbb87b3f
commit 4947ed93c2
1 changed files with 2 additions and 4 deletions
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6
mm/madvise.c
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@ -617,7 +617,6 @@ 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;
@ -658,10 +657,9 @@ 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