[merged mm-stable] memcg-manually-inline-replace_stock_objcg.patch removed from -mm tree

[merged mm-stable] memcg-manually-inline-replace_stock_objcg.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: memcg: manually inline replace_stock_objcg
has been removed from the -mm tree.  Its filename was
     memcg-manually-inline-replace_stock_objcg.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 <shakeel.butt@linux.dev>
Subject: memcg: manually inline replace_stock_objcg
Date: Thu, 3 Apr 2025 18:39:13 -0700

The replace_stock_objcg() is being called by only refill_obj_stock, so
manually inline it.

Link: https://lkml.kernel.org/r/20250404013913.1663035-10-shakeel.butt@linux.dev
Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memcontrol.c |   18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

--- a/mm/memcontrol.c~memcg-manually-inline-replace_stock_objcg
+++ a/mm/memcontrol.c
@@ -2763,17 +2763,6 @@ void __memcg_kmem_uncharge_page(struct p
 	obj_cgroup_put(objcg);
 }
 
-/* Replace the stock objcg with objcg, return the old objcg */
-static void replace_stock_objcg(struct memcg_stock_pcp *stock,
-				struct obj_cgroup *objcg)
-{
-	drain_obj_stock(stock);
-	obj_cgroup_get(objcg);
-	stock->nr_bytes = atomic_read(&objcg->nr_charged_bytes)
-			? atomic_xchg(&objcg->nr_charged_bytes, 0) : 0;
-	WRITE_ONCE(stock->cached_objcg, objcg);
-}
-
 static void __account_obj_stock(struct obj_cgroup *objcg,
 				struct memcg_stock_pcp *stock, int nr,
 				struct pglist_data *pgdat, enum node_stat_item idx)
@@ -2934,7 +2923,12 @@ static void refill_obj_stock(struct obj_
 
 	stock = this_cpu_ptr(&memcg_stock);
 	if (READ_ONCE(stock->cached_objcg) != objcg) { /* reset if necessary */
-		replace_stock_objcg(stock, objcg);
+		drain_obj_stock(stock);
+		obj_cgroup_get(objcg);
+		stock->nr_bytes = atomic_read(&objcg->nr_charged_bytes)
+				? atomic_xchg(&objcg->nr_charged_bytes, 0) : 0;
+		WRITE_ONCE(stock->cached_objcg, objcg);
+
 		allow_uncharge = true;	/* Allow uncharge when objcg changes */
 	}
 	stock->nr_bytes += nr_bytes;
_

Patches currently in -mm which might be from shakeel.butt@linux.dev are

memcg-introduce-non-blocking-limit-setting-option.patch
memcg-introduce-non-blocking-limit-setting-option-v3.patch
memcg-simplify-consume_stock.patch
memcg-separate-local_trylock-for-memcg-and-obj.patch
memcg-completely-decouple-memcg-and-obj-stocks.patch
memcg-no-irq-disable-for-memcg-stock-lock.patch