The patch titled
Subject: mm: use pfn_swap_entry_folio() in __split_huge_pmd_locked()
has been added to the -mm mm-unstable branch. Its filename is
mm-use-pfn_swap_entry_folio-in-__split_huge_pmd_locked.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-use-pfn_swap_entry_folio-in-__split_huge_pmd_locked.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: use pfn_swap_entry_folio() in __split_huge_pmd_locked()
Date: Thu, 11 Jan 2024 15:24:24 +0000
Call pfn_swap_entry_folio() in __split_huge_pmd_locked() as preparation
for converting mm counter functions to take a folio.
Link: https://lkml.kernel.org/r/20240111152429.3374566-6-willy@xxxxxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/huge_memory.c~mm-use-pfn_swap_entry_folio-in-__split_huge_pmd_locked
+++ a/mm/huge_memory.c
@@ -2432,7 +2432,7 @@ static void __split_huge_pmd_locked(stru
swp_entry_t entry;
entry = pmd_to_swp_entry(old_pmd);
- page = pfn_swap_entry_to_page(entry);
+ folio = pfn_swap_entry_folio(entry);
} else {
page = pmd_page(old_pmd);
folio = page_folio(page);
@@ -2443,7 +2443,7 @@ static void __split_huge_pmd_locked(stru
folio_remove_rmap_pmd(folio, page, vma);
folio_put(folio);
}
- add_mm_counter(mm, mm_counter_file(page), -HPAGE_PMD_NR);
+ add_mm_counter(mm, mm_counter_file(&folio->page), -HPAGE_PMD_NR);
return;
}
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm-memory-use-nth_page-in-clear-copy_subpage.patch
s390-use-pfn_swap_entry_folio-in-ptep_zap_swap_entry.patch
mm-use-pfn_swap_entry_folio-in-__split_huge_pmd_locked.patch
mm-use-pfn_swap_entry_to_folio-in-zap_huge_pmd.patch
mm-use-pfn_swap_entry_folio-in-copy_nonpresent_pte.patch
mm-convert-to-should_zap_page-to-should_zap_folio.patch
mm-convert-mm_counter-to-take-a-folio.patch
mm-convert-mm_counter_file-to-take-a-folio.patch
