+ mm-migrate-convert-putback_movable_pages-to-use-folios.patch added to mm-unstable branch

+ mm-migrate-convert-putback_movable_pages-to-use-folios.patch added to mm-unstable branch

[Andrew Morton]

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

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------------------------------------------------------
From: "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
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@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- 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@gmail.com 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