[merged mm-stable] mm-multi-gen-lru-improve-lru_gen_exit_memcg.patch removed from -mm tree

[merged mm-stable] mm-multi-gen-lru-improve-lru_gen_exit_memcg.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm: multi-gen LRU: improve lru_gen_exit_memcg()
has been removed from the -mm tree.  Its filename was
     mm-multi-gen-lru-improve-lru_gen_exit_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: "T.J. Alumbaugh" <talumbau@google.com>
Subject: mm: multi-gen LRU: improve lru_gen_exit_memcg()
Date: Wed, 18 Jan 2023 00:18:25 +0000

Add warnings and poison ->next.

Link: https://lkml.kernel.org/r/20230118001827.1040870-6-talumbau@google.com
Signed-off-by: T.J. Alumbaugh <talumbau@google.com>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/mm/vmscan.c~mm-multi-gen-lru-improve-lru_gen_exit_memcg
+++ a/mm/vmscan.c
@@ -6168,12 +6168,17 @@ void lru_gen_exit_memcg(struct mem_cgrou
 	int i;
 	int nid;
 
+	VM_WARN_ON_ONCE(!list_empty(&memcg->mm_list.fifo));
+
 	for_each_node(nid) {
 		struct lruvec *lruvec = get_lruvec(memcg, nid);
 
+		VM_WARN_ON_ONCE(lruvec->mm_state.nr_walkers);
 		VM_WARN_ON_ONCE(memchr_inv(lruvec->lrugen.nr_pages, 0,
 					   sizeof(lruvec->lrugen.nr_pages)));
 
+		lruvec->lrugen.list.next = LIST_POISON1;
+
 		for (i = 0; i < NR_BLOOM_FILTERS; i++) {
 			bitmap_free(lruvec->mm_state.filters[i]);
 			lruvec->mm_state.filters[i] = NULL;
_

Patches currently in -mm which might be from talumbau@google.com are