+ mm-swap-convert-__put_page-to-__folio_put.patch added to mm-unstable branch

+ mm-swap-convert-__put_page-to-__folio_put.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm/swap: convert __put_page() to __folio_put()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-swap-convert-__put_page-to-__folio_put.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-swap-convert-__put_page-to-__folio_put.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: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: mm/swap: convert __put_page() to __folio_put()
Date: Fri, 17 Jun 2022 18:50:13 +0100

Saves 11 bytes of text by removing a check of PageTail.

Link: https://lkml.kernel.org/r/20220617175020.717127-16-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/mm.h   |    6 +++---
 mm/swap.c            |   14 +++++++-------
 net/core/page_pool.c |    2 +-
 3 files changed, 11 insertions(+), 11 deletions(-)

--- a/include/linux/mm.h~mm-swap-convert-__put_page-to-__folio_put
+++ a/include/linux/mm.h
@@ -886,7 +886,7 @@ static inline struct folio *virt_to_foli
 	return page_folio(page);
 }
 
-void __put_page(struct page *page);
+void __folio_put(struct folio *folio);
 
 void put_pages_list(struct list_head *pages);
 
@@ -1228,7 +1228,7 @@ static inline __must_check bool try_get_
 static inline void folio_put(struct folio *folio)
 {
 	if (folio_put_testzero(folio))
-		__put_page(&folio->page);
+		__folio_put(folio);
 }
 
 /**
@@ -1248,7 +1248,7 @@ static inline void folio_put(struct foli
 static inline void folio_put_refs(struct folio *folio, int refs)
 {
 	if (folio_ref_sub_and_test(folio, refs))
-		__put_page(&folio->page);
+		__folio_put(folio);
 }
 
 void release_pages(struct page **pages, int nr);
--- a/mm/swap.c~mm-swap-convert-__put_page-to-__folio_put
+++ a/mm/swap.c
@@ -119,16 +119,16 @@ static void __put_compound_page(struct p
 	destroy_compound_page(page);
 }
 
-void __put_page(struct page *page)
+void __folio_put(struct folio *folio)
 {
-	if (unlikely(is_zone_device_page(page)))
-		free_zone_device_page(page);
-	else if (unlikely(PageCompound(page)))
-		__put_compound_page(page);
+	if (unlikely(folio_is_zone_device(folio)))
+		free_zone_device_page(&folio->page);
+	else if (unlikely(folio_test_large(folio)))
+		__put_compound_page(&folio->page);
 	else
-		__put_single_page(page);
+		__put_single_page(&folio->page);
 }
-EXPORT_SYMBOL(__put_page);
+EXPORT_SYMBOL(__folio_put);
 
 /**
  * put_pages_list() - release a list of pages
--- a/net/core/page_pool.c~mm-swap-convert-__put_page-to-__folio_put
+++ a/net/core/page_pool.c
@@ -16,7 +16,7 @@
 #include <linux/dma-direction.h>
 #include <linux/dma-mapping.h>
 #include <linux/page-flags.h>
-#include <linux/mm.h> /* for __put_page() */
+#include <linux/mm.h> /* for put_page() */
 #include <linux/poison.h>
 #include <linux/ethtool.h>
 
_

Patches currently in -mm which might be from willy@infradead.org are

mm-add-vma-iterator.patch
mmap-use-the-vma-iterator-in-count_vma_pages_range.patch
proc-remove-vma-rbtree-use-from-nommu.patch
arm64-remove-mmap-linked-list-from-vdso.patch
parisc-remove-mmap-linked-list-from-cache-handling.patch
powerpc-remove-mmap-linked-list-walks.patch
s390-remove-vma-linked-list-walks.patch
x86-remove-vma-linked-list-walks.patch
xtensa-remove-vma-linked-list-walks.patch
cxl-remove-vma-linked-list-walk.patch
optee-remove-vma-linked-list-walk.patch
um-remove-vma-linked-list-walk.patch
coredump-remove-vma-linked-list-walk.patch
exec-use-vma-iterator-instead-of-linked-list.patch
fs-proc-task_mmu-stop-using-linked-list-and-highest_vm_end.patch
acct-use-vma-iterator-instead-of-linked-list.patch
perf-use-vma-iterator.patch
sched-use-maple-tree-iterator-to-walk-vmas.patch
fork-use-vma-iterator.patch
mm-khugepaged-stop-using-vma-linked-list.patch
mm-ksm-use-vma-iterators-instead-of-vma-linked-list.patch
mm-mlock-use-vma-iterator-and-maple-state-instead-of-vma-linked-list.patch
mm-pagewalk-use-vma_find-instead-of-vma-linked-list.patch
i915-use-the-vma-iterator.patch
nommu-remove-uses-of-vma-linked-list.patch
mm-vmscan-convert-reclaim_clean_pages_from_list-to-folios.patch
mm-vmscan-convert-isolate_lru_pages-to-use-a-folio.patch
mm-vmscan-convert-move_pages_to_lru-to-use-a-folio.patch
mm-vmscan-convert-shrink_active_list-to-use-a-folio.patch
mm-vmscan-convert-reclaim_pages-to-use-a-folio.patch
mm-add-folios_put.patch
mm-swap-add-folio_batch_move_lru.patch
mm-swap-make-__pagevec_lru_add-static.patch
mm-swap-convert-lru_add-to-a-folio_batch.patch
mm-swap-convert-lru_deactivate_file-to-a-folio_batch.patch
mm-swap-convert-lru_deactivate-to-a-folio_batch.patch
mm-swap-convert-lru_lazyfree-to-a-folio_batch.patch
mm-swap-convert-activate_page-to-a-folio_batch.patch
mm-swap-rename-lru_pvecs-to-cpu_fbatches.patch
mm-swap-pull-the-cpu-conditional-out-of-__lru_add_drain_all.patch
mm-swap-optimise-lru_add_drain_cpu.patch
mm-swap-convert-try_to_free_swap-to-use-a-folio.patch
mm-swap-convert-release_pages-to-use-a-folio-internally.patch
mm-swap-convert-put_pages_list-to-use-folios.patch
mm-swap-convert-__put_page-to-__folio_put.patch
mm-swap-convert-__put_single_page-to-__folio_put_small.patch
mm-swap-convert-__put_compound_page-to-__folio_put_large.patch
mm-swap-convert-__page_cache_release-to-use-a-folio.patch
mm-convert-destroy_compound_page-to-destroy_large_folio.patch
mm-convert-page_swap_flags-to-folio_swap_flags.patch
mm-swap-convert-delete_from_swap_cache-to-take-a-folio.patch
mm-swap-convert-__delete_from_swap_cache-to-a-folio.patch