The patch titled
Subject: mm/migrate: add folio_movable_ops()
has been added to the -mm mm-unstable branch. Its filename is
mm-migrate-add-folio_movable_ops.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-migrate-add-folio_movable_ops.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@xxxxxxxxx>
Subject: mm/migrate: add folio_movable_ops()
Date: Mon, 30 Jan 2023 13:43:50 -0800
folio_movable_ops() does the same as page_movable_ops() except uses folios
instead of pages. This function will help make folio conversions in
migrate.c more readable.
Link: https://lkml.kernel.org/r/20230130214352.40538-3-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/include/linux/migrate.h~mm-migrate-add-folio_movable_ops
+++ a/include/linux/migrate.h
@@ -124,6 +124,15 @@ static inline bool folio_test_movable(st
}
static inline
+const struct movable_operations *folio_movable_ops(struct folio *folio)
+{
+ VM_BUG_ON(!__folio_test_movable(folio));
+
+ return (const struct movable_operations *)
+ ((unsigned long)folio->mapping - PAGE_MAPPING_MOVABLE);
+}
+
+static inline
const struct movable_operations *page_movable_ops(struct page *page)
{
VM_BUG_ON(!__PageMovable(page));
--- a/mm/migrate.c~mm-migrate-add-folio_movable_ops
+++ a/mm/migrate.c
@@ -990,7 +990,7 @@ static int move_to_new_folio(struct foli
goto out;
}
- mops = page_movable_ops(&src->page);
+ mops = folio_movable_ops(src);
rc = mops->migrate_page(&dst->page, &src->page, mode);
WARN_ON_ONCE(rc == MIGRATEPAGE_SUCCESS &&
!folio_test_isolated(src));
_
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
