+ fb_defio-use-a-folio-in-fb_deferred_io_work.patch added to mm-unstable branch

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The patch titled
     Subject: fb_defio: use a folio in fb_deferred_io_work()
has been added to the -mm mm-unstable branch.  Its filename is
     fb_defio-use-a-folio-in-fb_deferred_io_work.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/fb_defio-use-a-folio-in-fb_deferred_io_work.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: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: fb_defio: use a folio in fb_deferred_io_work()
Date: Tue, 4 Jun 2024 19:48:21 +0800

Replaces three calls to compound_head() with one, which removes last
caller of page_mkclean().

Link: https://lkml.kernel.org/r/20240604114822.2089819-4-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/video/fbdev/core/fb_defio.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- a/drivers/video/fbdev/core/fb_defio.c~fb_defio-use-a-folio-in-fb_deferred_io_work
+++ a/drivers/video/fbdev/core/fb_defio.c
@@ -244,10 +244,11 @@ static void fb_deferred_io_work(struct w
 	/* here we mkclean the pages, then do all deferred IO */
 	mutex_lock(&fbdefio->lock);
 	list_for_each_entry(pageref, &fbdefio->pagereflist, list) {
-		struct page *cur = pageref->page;
-		lock_page(cur);
-		page_mkclean(cur);
-		unlock_page(cur);
+		struct folio *folio = page_folio(pageref->page);
+
+		folio_lock(folio);
+		folio_mkclean(folio);
+		folio_unlock(folio);
 	}
 
 	/* driver's callback with pagereflist */
_

Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are

mm-add-folio_alloc_mpol.patch
mm-mempolicy-use-folio_alloc_mpol_noprof-in-vma_alloc_folio_noprof.patch
mm-mempolicy-use-folio_alloc_mpol-in-alloc_migration_target_by_mpol.patch
mm-shmem-use-folio_alloc_mpol-in-shmem_alloc_folio.patch
mm-refactor-folio_undo_large_rmappable.patch
mm-memcontrol-remove-page_memcg.patch
rmap-remove-define_page_vma_walk.patch
mm-migrate-simplify-__buffer_migrate_folio.patch
mm-migrate_device-use-a-newfolio-in-__migrate_device_pages.patch
mm-migrate_device-unify-migrate-folio-for-migrate_sync_no_copy.patch
mm-migrate-remove-migrate_folio_extra.patch
mm-remove-migrate_sync_no_copy-mode.patch
fs-proc-task_mmu-use-folio-api-in-pte_is_pinned.patch
mm-remove-page_maybe_dma_pinned.patch
fb_defio-use-a-folio-in-fb_deferred_io_work.patch
mm-remove-page_mkclean.patch





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