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 Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ 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/20220429192329.3034378-13-willy@xxxxxxxxxxxxx Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> 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 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 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-turn-shmem_alloc_page-into-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 vmcore-convert-copy_oldmem_page-to-take-an-iov_iter.patch vmcore-convert-__read_vmcore-to-use-an-iov_iter.patch vmcore-convert-read_from_oldmem-to-take-an-iov_iter.patch