[merged mm-stable] mm-remove-mlock_count-from-struct-page.patch removed from -mm tree

[merged mm-stable] mm-remove-mlock_count-from-struct-page.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm: remove mlock_count from struct page
has been removed from the -mm tree.  Its filename was
     mm-remove-mlock_count-from-struct-page.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: mm: remove mlock_count from struct page
Date: Wed, 3 Sep 2025 20:10:39 +0100

All users now use folio->mlock_count so we can remove this element of
struct page.  Move the useful comments over to struct folio.

Link: https://lkml.kernel.org/r/20250903191041.1630338-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/mm_types.h |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

--- a/include/linux/mm_types.h~mm-remove-mlock_count-from-struct-page
+++ a/include/linux/mm_types.h
@@ -94,14 +94,6 @@ struct page {
 			union {
 				struct list_head lru;
 
-				/* Or, for the Unevictable "LRU list" slot */
-				struct {
-					/* Always even, to negate PageTail */
-					void *__filler;
-					/* Count page's or folio's mlocks */
-					unsigned int mlock_count;
-				};
-
 				/* Or, free page */
 				struct list_head buddy_list;
 				struct list_head pcp_list;
@@ -391,7 +383,9 @@ struct folio {
 			union {
 				struct list_head lru;
 	/* private: avoid cluttering the output */
+				/* For the Unevictable "LRU list" slot */
 				struct {
+					/* Avoid compound_head */
 					void *__filler;
 	/* public: */
 					unsigned int mlock_count;
_

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

ksm-use-a-folio-inside-cmp_and_merge_page.patch