The patch titled
Subject: vmscan: convert the activate_locked portion of shrink_page_list to folios
has been added to the -mm mm-unstable branch. Its filename is
vmscan-convert-the-activate_locked-portion-of-shrink_page_list-to-folios.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: convert the activate_locked portion of shrink_page_list to folios
This accounts the number of pages activated correctly for large folios.
Link: https://lkml.kernel.org/r/20220504182857.4013401-14-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 | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
--- a/mm/vmscan.c~vmscan-convert-the-activate_locked-portion-of-shrink_page_list-to-folios
+++ a/mm/vmscan.c
@@ -1946,15 +1946,16 @@ activate_locked_split:
}
activate_locked:
/* Not a candidate for swapping, so reclaim swap space. */
- if (PageSwapCache(page) && (mem_cgroup_swap_full(page) ||
- PageMlocked(page)))
- try_to_free_swap(page);
- VM_BUG_ON_PAGE(PageActive(page), page);
- if (!PageMlocked(page)) {
- int type = page_is_file_lru(page);
- SetPageActive(page);
+ if (folio_test_swapcache(folio) &&
+ (mem_cgroup_swap_full(&folio->page) ||
+ folio_test_mlocked(folio)))
+ try_to_free_swap(&folio->page);
+ VM_BUG_ON_FOLIO(folio_test_active(folio), folio);
+ if (!folio_test_mlocked(folio)) {
+ int type = folio_is_file_lru(folio);
+ folio_set_active(folio);
stat->nr_activate[type] += nr_pages;
- count_memcg_page_event(page, PGACTIVATE);
+ count_memcg_folio_events(folio, PGACTIVATE, nr_pages);
}
keep_locked:
unlock_page(page);
_
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
