+ mm-madvise-use-vm_normal_folio-in-madvise_free_pte_range.patch added to mm-unstable branch

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The patch titled
     Subject: mm: madvise: use vm_normal_folio() in madvise_free_pte_range()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-madvise-use-vm_normal_folio-in-madvise_free_pte_range.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-madvise-use-vm_normal_folio-in-madvise_free_pte_range.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: madvise: use vm_normal_folio() in madvise_free_pte_range()
Date: Thu, 12 Jan 2023 20:40:28 +0800

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@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/madvise.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

--- a/mm/madvise.c~mm-madvise-use-vm_normal_folio-in-madvise_free_pte_range
+++ a/mm/madvise.c
@@ -617,7 +617,6 @@ static int madvise_free_pte_range(pmd_t
 	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
 			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
_

Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are

mm-hwposion-support-recovery-from-ksm_might_need_to_copy.patch
mm-hwposion-support-recovery-from-ksm_might_need_to_copy-v3.patch
mm-huge_memory-convert-madvise_free_huge_pmd-to-use-a-folio.patch
mm-swap-convert-mark_page_lazyfree-to-folio_mark_lazyfree.patch
mm-huge_memory-convert-split_huge_pages_all-to-use-a-folio.patch
mm-page_idle-convert-page-idle-to-use-a-folio.patch
mm-damon-introduce-damon_get_folio.patch
mm-damon-convert-damon_ptep-pmdp_mkold-to-use-a-folio.patch
mm-damon-paddr-convert-damon_pa_-to-use-a-folio.patch
mm-damon-vaddr-convert-damon_young_pmd_entry-to-use-a-folio.patch
mm-damon-remove-unneeded-damon_get_page.patch
mm-damon-vaddr-convert-hugetlb-related-functions-to-use-a-folio.patch
mm-madvise-use-vm_normal_folio-in-madvise_free_pte_range.patch




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