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authorJohannes Weiner <hannes@cmpxchg.org>2025-01-24 00:41:32 -0500
committerAndrew Morton <akpm@linux-foundation.org>2025-03-16 22:05:55 -0700
commit89ce924f0bd447eb52a5f224d879dbf8f09451db (patch)
tree6e4246094003e696397614905f9f93f44194f8c0 /mm/huge_memory.c
parent0d892bbbfa1c3b75569ef5075503bb785d1d52fd (diff)
mm: memcontrol: move memsw charge callbacks to v1
The interweaving of two entirely different swap accounting strategies has been one of the more confusing parts of the memcg code. Split out the v1 code to clarify the implementation and a handful of callsites, and to avoid building the v1 bits when !CONFIG_MEMCG_V1. text data bss dec hex filename 39253 6446 4160 49859 c2c3 mm/memcontrol.o.old 38877 6382 4160 49419 c10b mm/memcontrol.o Link: https://lkml.kernel.org/r/20250124054132.45643-1-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Balbir Singh <balbirs@nvidia.com> Acked-by: Shakeel Butt <shakeel.butt@linux.dev> Cc: Muchun Song <muchun.song@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 373781b21e5c..118f2127c785 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -3740,7 +3740,7 @@ void deferred_split_folio(struct folio *folio, bool partially_mapped)
/*
* Exclude swapcache: originally to avoid a corrupt deferred split
- * queue. Nowadays that is fully prevented by mem_cgroup_swapout();
+ * queue. Nowadays that is fully prevented by memcg1_swapout();
* but if page reclaim is already handling the same folio, it is
* unnecessary to handle it again in the shrinker, so excluding
* swapcache here may still be a useful optimization.