[merged mm-stable] mm-page_owner-hoist-config_memcg-to-function-level-for-print_page_owner_memcg.patch removed from -mm tree

The quilt patch titled
     Subject: mm/page_owner: hoist CONFIG_MEMCG to function level for print_page_owner_memcg()
has been removed from the -mm tree.  Its filename was
     mm-page_owner-hoist-config_memcg-to-function-level-for-print_page_owner_memcg.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: Ye Liu <[email protected]>
Subject: mm/page_owner: hoist CONFIG_MEMCG to function level for print_page_owner_memcg()
Date: Tue, 14 Jul 2026 09:51:03 +0800

The print_page_owner_memcg() function has CONFIG_MEMCG guarding its entire
body via #ifdef inside the function, which leaves a no-op { return ret; }
when the config is disabled.  Hoist the #ifdef to the top level so the
real implementation and the empty stub are two clearly separated
definitions.

No functional change.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: Ye Liu <[email protected]>
Reviewed-by: Zi Yan <[email protected]>
Reviewed-by: Vlastimil Babka (SUSE) <[email protected]>
Cc: Brendan Jackman <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: David Hildenbrand (Arm) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 mm/page_owner.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

--- a/mm/page_owner.c~mm-page_owner-hoist-config_memcg-to-function-level-for-print_page_owner_memcg
+++ a/mm/page_owner.c
@@ -522,13 +522,13 @@ ext_put_continue:
 	seq_putc(m, '\n');
 }
 
+#ifdef CONFIG_MEMCG
 /*
  * Looking for memcg information and print it out
  */
 static inline int print_page_owner_memcg(char *kbuf, size_t count, int ret,
 					 struct page *page)
 {
-#ifdef CONFIG_MEMCG
 	unsigned long memcg_data;
 	struct mem_cgroup *memcg;
 	bool online;
@@ -556,10 +556,16 @@ static inline int print_page_owner_memcg
 			name);
 out_unlock:
 	rcu_read_unlock();
-#endif /* CONFIG_MEMCG */
 
 	return ret;
 }
+#else
+static inline int print_page_owner_memcg(char *kbuf, size_t count, int ret,
+					 struct page *page)
+{
+	return ret;
+}
+#endif
 
 static ssize_t
 print_page_owner(char __user *buf, size_t count, unsigned long pfn,
_

Patches currently in -mm which might be from [email protected] are