The patch titled Subject: mm/migrate: convert putback_movable_pages() to use folios has been added to the -mm mm-unstable branch. Its filename is mm-migrate-convert-putback_movable_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-migrate-convert-putback_movable_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 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: "Vishal Moola (Oracle)" <vishal.moola@xxxxxxxxx> Subject: mm/migrate: convert putback_movable_pages() to use folios Date: Mon, 30 Jan 2023 13:43:52 -0800 Removes 6 calls to compound_head(), and replaces putback_movable_page() with putback_movable_folio() as well. Link: https://lkml.kernel.org/r/20230130214352.40538-5-vishal.moola@xxxxxxxxx Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/mm/migrate.c~mm-migrate-convert-putback_movable_pages-to-use-folios +++ a/mm/migrate.c @@ -129,12 +129,12 @@ out: return -EBUSY; } -static void putback_movable_page(struct page *page) +static void putback_movable_folio(struct folio *folio) { - const struct movable_operations *mops = page_movable_ops(page); + const struct movable_operations *mops = folio_movable_ops(folio); - mops->putback_page(page); - ClearPageIsolated(page); + mops->putback_page(&folio->page); + folio_clear_isolated(folio); } /* @@ -147,33 +147,33 @@ static void putback_movable_page(struct */ void putback_movable_pages(struct list_head *l) { - struct page *page; - struct page *page2; + struct folio *folio; + struct folio *folio2; - list_for_each_entry_safe(page, page2, l, lru) { - if (unlikely(PageHuge(page))) { - folio_putback_active_hugetlb(page_folio(page)); + list_for_each_entry_safe(folio, folio2, l, lru) { + if (unlikely(folio_test_hugetlb(folio))) { + folio_putback_active_hugetlb(folio); continue; } - list_del(&page->lru); + list_del(&folio->lru); /* - * We isolated non-lru movable page so here we can use - * __PageMovable because LRU page's mapping cannot have + * We isolated non-lru movable folio so here we can use + * __PageMovable because LRU folio's mapping cannot have * PAGE_MAPPING_MOVABLE. */ - if (unlikely(__PageMovable(page))) { - VM_BUG_ON_PAGE(!PageIsolated(page), page); - lock_page(page); - if (PageMovable(page)) - putback_movable_page(page); + if (unlikely(__folio_test_movable(folio))) { + VM_BUG_ON_FOLIO(!folio_test_isolated(folio), folio); + folio_lock(folio); + if (folio_test_movable(folio)) + putback_movable_folio(folio); else - ClearPageIsolated(page); - unlock_page(page); - put_page(page); + folio_clear_isolated(folio); + folio_unlock(folio); + folio_put(folio); } else { - mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + - page_is_file_lru(page), -thp_nr_pages(page)); - putback_lru_page(page); + node_stat_mod_folio(folio, NR_ISOLATED_ANON + + folio_is_file_lru(folio), -folio_nr_pages(folio)); + folio_putback_lru(folio); } } } _ Patches currently in -mm which might be from vishal.moola@xxxxxxxxx are mm-khugepaged-introduce-release_pte_folio-to-replace-release_pte_page.patch mm-khugepaged-convert-release_pte_pages-to-use-folios.patch pagemap-add-filemap_grab_folio.patch filemap-added-filemap_get_folios_tag.patch filemap-convert-__filemap_fdatawait_range-to-use-filemap_get_folios_tag.patch page-writeback-convert-write_cache_pages-to-use-filemap_get_folios_tag.patch afs-convert-afs_writepages_region-to-use-filemap_get_folios_tag.patch btrfs-convert-btree_write_cache_pages-to-use-filemap_get_folio_tag.patch btrfs-convert-extent_write_cache_pages-to-use-filemap_get_folios_tag.patch ceph-convert-ceph_writepages_start-to-use-filemap_get_folios_tag.patch cifs-convert-wdata_alloc_and_fillpages-to-use-filemap_get_folios_tag.patch ext4-convert-mpage_prepare_extent_to_map-to-use-filemap_get_folios_tag.patch f2fs-convert-f2fs_fsync_node_pages-to-use-filemap_get_folios_tag.patch f2fs-convert-f2fs_flush_inline_data-to-use-filemap_get_folios_tag.patch f2fs-convert-f2fs_sync_node_pages-to-use-filemap_get_folios_tag.patch f2fs-convert-f2fs_write_cache_pages-to-use-filemap_get_folios_tag.patch f2fs-convert-last_fsync_dnode-to-use-filemap_get_folios_tag.patch f2fs-convert-f2fs_sync_meta_pages-to-use-filemap_get_folios_tag.patch gfs2-convert-gfs2_write_cache_jdata-to-use-filemap_get_folios_tag.patch nilfs2-convert-nilfs_lookup_dirty_data_buffers-to-use-filemap_get_folios_tag.patch nilfs2-convert-nilfs_lookup_dirty_node_buffers-to-use-filemap_get_folios_tag.patch nilfs2-convert-nilfs_btree_lookup_dirty_buffers-to-use-filemap_get_folios_tag.patch nilfs2-convert-nilfs_copy_dirty_pages-to-use-filemap_get_folios_tag.patch nilfs2-convert-nilfs_clear_dirty_pages-to-use-filemap_get_folios_tag.patch filemap-remove-find_get_pages_range_tag.patch mm-add-folio_estimated_sharers.patch mm-mempolicy-convert-queue_pages_pmd-to-queue_folios_pmd.patch mm-mempolicy-convert-queue_pages_pte_range-to-queue_folios_pte_range.patch mm-mempolicy-convert-queue_pages_hugetlb-to-queue_folios_hugetlb.patch mm-mempolicy-convert-queue_pages_required-to-queue_folio_required.patch mm-mempolicy-convert-migrate_page_add-to-migrate_folio_add.patch mm-add-folio_get_nontail_page.patch mm-migrate-add-folio_movable_ops.patch mm-migrate-convert-isolate_movable_page-to-use-folios.patch mm-migrate-convert-putback_movable_pages-to-use-folios.patch