memcg-remove-__mod_lruvec_state.patch removed from -mm tree

merged mm-stable Andrew Morton 1 participant 1 message Nov 24, 2025

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Andrew Morton

author tree notice Applied

2025-11-24 23:10 UTC #0 lore raw

The quilt patch titled
Subject: memcg: remove __mod_lruvec_state
has been removed from the -mm tree. Its filename was
memcg-remove-__mod_lruvec_state.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: Shakeel Butt <[email protected]>
Subject: memcg: remove __mod_lruvec_state
Date: Mon, 10 Nov 2025 15:20:07 -0800

__mod_lruvec_state() is already safe against irqs, so there is no need to have a separate interface (i.e. mod_lruvec_state) which wraps calls to it with irq disabling and reenabling. Let's rename __mod_lruvec_state() to mod_lruvec_state().

Link https://lkml.kernel.org/r/[email protected] open here

Signed-off-by Shakeel Butt <[email protected]>

Reviewed-by Harry Yoo <[email protected]>

Acked-by Roman Gushchin <[email protected]>

Acked-by Vlastimil Babka <[email protected]>

Cc Johannes Weiner <[email protected]>

Cc Michal Hocko <[email protected]>

Cc Muchun Song <[email protected]>

Cc Qi Zheng <[email protected]>

Signed-off-by Andrew Morton <[email protected]>

---

 include/linux/mm_inline.h |    2 +-
 include/linux/vmstat.h    |   18 +-----------------
 mm/memcontrol.c           |    8 ++++----
 mm/migrate.c              |   20 ++++++++++----------
 mm/vmscan.c               |    4 ++--
 5 files changed, 18 insertions(+), 34 deletions(-)

include/linux/mm_inline.h renamed from include/linux/mm_inline.h~memcg-remove-__mod_lruvec_state +1 -1

@@ -44,7 +44,7 @@ static __always_inline void __update_lru
 	lockdep_assert_held(&lruvec->lru_lock);
 	WARN_ON_ONCE(nr_pages != (int)nr_pages);
 
-	__mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
+	mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages);
 	__mod_zone_page_state(&pgdat->node_zones[zid],
 				NR_ZONE_LRU_BASE + lru, nr_pages);
 }

include/linux/vmstat.h renamed from include/linux/vmstat.h~memcg-remove-__mod_lruvec_state +1 ~~-17~~

@@ -520,19 +520,9 @@ static inline const char *vm_event_name(
 
 #ifdef CONFIG_MEMCG
 
-void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
+void mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
 			int val);
 
-static inline void mod_lruvec_state(struct lruvec *lruvec,
-				    enum node_stat_item idx, int val)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	__mod_lruvec_state(lruvec, idx, val);
-	local_irq_restore(flags);
-}
-
 void __lruvec_stat_mod_folio(struct folio *folio,
 			     enum node_stat_item idx, int val);

@@ -554,12 +544,6 @@ static inline void mod_lruvec_page_state
 
 #else
 
-static inline void __mod_lruvec_state(struct lruvec *lruvec,
-				      enum node_stat_item idx, int val)
-{
-	mod_node_page_state(lruvec_pgdat(lruvec), idx, val);
-}
-
 static inline void mod_lruvec_state(struct lruvec *lruvec,
 				    enum node_stat_item idx, int val)
 {

mm/memcontrol.c renamed from mm/memcontrol.c~memcg-remove-__mod_lruvec_state +4 -4

@@ -757,7 +757,7 @@ static void mod_memcg_lruvec_state(struc
 }
 
 /**
- * __mod_lruvec_state - update lruvec memory statistics
+ * mod_lruvec_state - update lruvec memory statistics
  * @lruvec: the lruvec
  * @idx: the stat item
  * @val: delta to add to the counter, can be negative

@@ -766,7 +766,7 @@ static void mod_memcg_lruvec_state(struc
  * function updates the all three counters that are affected by a
  * change of state at this level: per-node, per-cgroup, per-lruvec.
  */
-void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
+void mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
 			int val)
 {
 	/* Update node */

@@ -794,7 +794,7 @@ void __lruvec_stat_mod_folio(struct foli
 	}
 
 	lruvec = mem_cgroup_lruvec(memcg, pgdat);
-	__mod_lruvec_state(lruvec, idx, val);
+	mod_lruvec_state(lruvec, idx, val);
 	rcu_read_unlock();
 }
 EXPORT_SYMBOL(__lruvec_stat_mod_folio);

@@ -818,7 +818,7 @@ void mod_lruvec_kmem_state(void *p, enum
 		mod_node_page_state(pgdat, idx, val);
 	} else {
 		lruvec = mem_cgroup_lruvec(memcg, pgdat);
-		__mod_lruvec_state(lruvec, idx, val);
+		mod_lruvec_state(lruvec, idx, val);
 	}
 	rcu_read_unlock();
 }

mm/migrate.c renamed from mm/migrate.c~memcg-remove-__mod_lruvec_state +10 ~~-10~~

@@ -675,27 +675,27 @@ static int __folio_migrate_mapping(struc
 		old_lruvec = mem_cgroup_lruvec(memcg, oldzone->zone_pgdat);
 		new_lruvec = mem_cgroup_lruvec(memcg, newzone->zone_pgdat);
 
-		__mod_lruvec_state(old_lruvec, NR_FILE_PAGES, -nr);
-		__mod_lruvec_state(new_lruvec, NR_FILE_PAGES, nr);
+		mod_lruvec_state(old_lruvec, NR_FILE_PAGES, -nr);
+		mod_lruvec_state(new_lruvec, NR_FILE_PAGES, nr);
 		if (folio_test_swapbacked(folio) && !folio_test_swapcache(folio)) {
-			__mod_lruvec_state(old_lruvec, NR_SHMEM, -nr);
-			__mod_lruvec_state(new_lruvec, NR_SHMEM, nr);
+			mod_lruvec_state(old_lruvec, NR_SHMEM, -nr);
+			mod_lruvec_state(new_lruvec, NR_SHMEM, nr);
 
 			if (folio_test_pmd_mappable(folio)) {
-				__mod_lruvec_state(old_lruvec, NR_SHMEM_THPS, -nr);
-				__mod_lruvec_state(new_lruvec, NR_SHMEM_THPS, nr);
+				mod_lruvec_state(old_lruvec, NR_SHMEM_THPS, -nr);
+				mod_lruvec_state(new_lruvec, NR_SHMEM_THPS, nr);
 			}
 		}
 #ifdef CONFIG_SWAP
 		if (folio_test_swapcache(folio)) {
-			__mod_lruvec_state(old_lruvec, NR_SWAPCACHE, -nr);
-			__mod_lruvec_state(new_lruvec, NR_SWAPCACHE, nr);
+			mod_lruvec_state(old_lruvec, NR_SWAPCACHE, -nr);
+			mod_lruvec_state(new_lruvec, NR_SWAPCACHE, nr);
 		}
 #endif
 		if (dirty && mapping_can_writeback(mapping)) {
-			__mod_lruvec_state(old_lruvec, NR_FILE_DIRTY, -nr);
+			mod_lruvec_state(old_lruvec, NR_FILE_DIRTY, -nr);
 			__mod_zone_page_state(oldzone, NR_ZONE_WRITE_PENDING, -nr);
-			__mod_lruvec_state(new_lruvec, NR_FILE_DIRTY, nr);
+			mod_lruvec_state(new_lruvec, NR_FILE_DIRTY, nr);
 			__mod_zone_page_state(newzone, NR_ZONE_WRITE_PENDING, nr);
 		}
 	}

mm/vmscan.c renamed from mm/vmscan.c~memcg-remove-__mod_lruvec_state +2 -2

@@ -2018,7 +2018,7 @@ static unsigned long shrink_inactive_lis
 	spin_lock_irq(&lruvec->lru_lock);
 	move_folios_to_lru(lruvec, &folio_list);
 
-	__mod_lruvec_state(lruvec, PGDEMOTE_KSWAPD + reclaimer_offset(sc),
+	mod_lruvec_state(lruvec, PGDEMOTE_KSWAPD + reclaimer_offset(sc),
 					stat.nr_demoted);
 	__mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken);
 	item = PGSTEAL_KSWAPD + reclaimer_offset(sc);

@@ -4744,7 +4744,7 @@ retry:
 		reset_batch_size(walk);
 	}
 
-	__mod_lruvec_state(lruvec, PGDEMOTE_KSWAPD + reclaimer_offset(sc),
+	mod_lruvec_state(lruvec, PGDEMOTE_KSWAPD + reclaimer_offset(sc),
 					stat.nr_demoted);
 
 	item = PGSTEAL_KSWAPD + reclaimer_offset(sc);

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