The patch titled
Subject: vmscan: use folio_mapped() in shrink_page_list()
has been added to the -mm mm-unstable branch. Its filename is
vmscan-use-folio_mapped-in-shrink_page_list.patch
This patch should soon appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: vmscan: use folio_mapped() in shrink_page_list()
Remove some legacy function calls.
Link: https://lkml.kernel.org/r/20220504182857.4013401-6-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
--- a/mm/vmscan.c~vmscan-use-folio_mapped-in-shrink_page_list
+++ a/mm/vmscan.c
@@ -1572,7 +1572,7 @@ retry:
if (unlikely(!page_evictable(page)))
goto activate_locked;
- if (!sc->may_unmap && page_mapped(page))
+ if (!sc->may_unmap && folio_mapped(folio))
goto keep_locked;
/*
@@ -1761,21 +1761,21 @@ retry:
}
/*
- * The page is mapped into the page tables of one or more
+ * The folio is mapped into the page tables of one or more
* processes. Try to unmap it here.
*/
- if (page_mapped(page)) {
+ if (folio_mapped(folio)) {
enum ttu_flags flags = TTU_BATCH_FLUSH;
- bool was_swapbacked = PageSwapBacked(page);
+ bool was_swapbacked = folio_test_swapbacked(folio);
- if (PageTransHuge(page) &&
- thp_order(page) >= HPAGE_PMD_ORDER)
+ if (folio_test_pmd_mappable(folio))
flags |= TTU_SPLIT_HUGE_PMD;
try_to_unmap(folio, flags);
- if (page_mapped(page)) {
+ if (folio_mapped(folio)) {
stat->nr_unmap_fail += nr_pages;
- if (!was_swapbacked && PageSwapBacked(page))
+ if (!was_swapbacked &&
+ folio_test_swapbacked(folio))
stat->nr_lazyfree_fail += nr_pages;
goto activate_locked;
}
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
shmem-convert-shmem_alloc_hugepage-to-use-vma_alloc_folio.patch
mm-huge_memory-convert-do_huge_pmd_anonymous_page-to-use-vma_alloc_folio.patch
alpha-fix-alloc_zeroed_user_highpage_movable.patch
mm-remove-alloc_pages_vma.patch
vmscan-use-folio_mapped-in-shrink_page_list.patch
vmscan-convert-the-writeback-handling-in-shrink_page_list-to-folios.patch
swap-turn-get_swap_page-into-folio_alloc_swap.patch
swap-convert-add_to_swap-to-take-a-folio.patch
vmscan-convert-dirty-page-handling-to-folios.patch
vmscan-convert-page-buffer-handling-to-use-folios.patch
vmscan-convert-lazy-freeing-to-folios.patch
vmscan-move-initialisation-of-mapping-down.patch
vmscan-convert-the-activate_locked-portion-of-shrink_page_list-to-folios.patch
mm-allow-can_split_folio-to-be-called-when-thp-are-disabled.patch
vmscan-remove-remaining-uses-of-page-in-shrink_page_list.patch
mm-shmem-use-a-folio-in-shmem_unused_huge_shrink.patch
mm-swap-add-folio_throttle_swaprate.patch
mm-shmem-convert-shmem_add_to_page_cache-to-take-a-folio.patch
mm-shmem-turn-shmem_should_replace_page-into-shmem_should_replace_folio.patch
mm-shmem-add-shmem_alloc_folio.patch
mm-shmem-convert-shmem_alloc_and_acct_page-to-use-a-folio.patch
mm-shmem-convert-shmem_getpage_gfp-to-use-a-folio.patch
mm-shmem-convert-shmem_swapin_page-to-shmem_swapin_folio.patch
mm-add-folio_mapping_flags.patch
mm-add-folio_test_movable.patch
mm-migrate-convert-move_to_new_page-into-move_to_new_folio.patch
