The patch titled
Subject: mm/khugepaged: convert release_pte_pages() to use folios
has been added to the -mm mm-unstable branch. Its filename is
mm-khugepaged-convert-release_pte_pages-to-use-folios.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-khugepaged-convert-release_pte_pages-to-use-folios.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: "Vishal Moola (Oracle)" <vishal.moola@xxxxxxxxx>
Subject: mm/khugepaged: convert release_pte_pages() to use folios
Date: Fri, 13 Jan 2023 16:15:56 -0800
Converts release_pte_pages() to use folios instead of pages.
Link: https://lkml.kernel.org/r/20230114001556.43795-2-vishal.moola@xxxxxxxxx
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/mm/khugepaged.c~mm-khugepaged-convert-release_pte_pages-to-use-folios
+++ a/mm/khugepaged.c
@@ -509,20 +509,20 @@ static void release_pte_page(struct page
static void release_pte_pages(pte_t *pte, pte_t *_pte,
struct list_head *compound_pagelist)
{
- struct page *page, *tmp;
+ struct folio *folio, *tmp;
while (--_pte >= pte) {
pte_t pteval = *_pte;
- page = pte_page(pteval);
+ folio = pfn_folio(pte_pfn(pteval));
if (!pte_none(pteval) && !is_zero_pfn(pte_pfn(pteval)) &&
- !PageCompound(page))
- release_pte_page(page);
+ !folio_test_large(folio))
+ release_pte_folio(folio);
}
- list_for_each_entry_safe(page, tmp, compound_pagelist, lru) {
- list_del(&page->lru);
- release_pte_page(page);
+ list_for_each_entry_safe(folio, tmp, compound_pagelist, lru) {
+ list_del(&folio->lru);
+ release_pte_folio(folio);
}
}
_
Patches currently in -mm which might be from vishal.moola@xxxxxxxxx are
mm-memory-add-vm_normal_folio.patch
madvise-convert-madvise_cold_or_pageout_pte_range-to-use-folios.patch
mm-damon-convert-damon_pa_mark_accessed_or_deactivate-to-use-folios.patch
mm-swap-convert-deactivate_page-to-folio_deactivate.patch
ext4-convert-mext_page_double_lock-to-mext_folio_double_lock.patch
mm-khugepaged-introduce-release_pte_folio-to-replace-release_pte_page.patch
mm-khugepaged-convert-release_pte_pages-to-use-folios.patch
