From: Michal Hocko <mhocko@suse.com>
To: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Kairui Song <kasong@tencent.com>, Qi Zheng <qi.zheng@linux.dev>,
Barry Song <baohua@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Meta kernel team <kernel-team@meta.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/9] memcg: remove the soft limit reclaim tracepoints
Date: Thu, 13 Aug 2026 10:25:14 +0200 [thread overview]
Message-ID: <an1_amxUpeVU_ARo@tiehlicka> (raw)
In-Reply-To: <20260811203203.3456029-5-shakeel.butt@linux.dev>
On Tue 11-08-26 13:31:58, Shakeel Butt wrote:
> mm_vmscan_memcg_softlimit_reclaim_begin and
> mm_vmscan_memcg_softlimit_reclaim_end were only emitted by
> mem_cgroup_shrink_node(), which is gone, so they can never fire again.
>
> Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
Thanks!
> ---
> include/trace/events/vmscan.h | 14 --------------
> 1 file changed, 14 deletions(-)
>
> diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
> index b4bf7b8def1f..8a872990b4be 100644
> --- a/include/trace/events/vmscan.h
> +++ b/include/trace/events/vmscan.h
> @@ -214,13 +214,6 @@ DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_be
>
> TP_ARGS(gfp_flags, order, memcg)
> );
> -
> -DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
> -
> - TP_PROTO(gfp_t gfp_flags, int order, struct mem_cgroup *memcg),
> -
> - TP_ARGS(gfp_flags, order, memcg)
> -);
> #endif /* CONFIG_MEMCG */
>
> DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
> @@ -260,13 +253,6 @@ DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
>
> TP_ARGS(nr_reclaimed, memcg)
> );
> -
> -DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
> -
> - TP_PROTO(unsigned long nr_reclaimed, struct mem_cgroup *memcg),
> -
> - TP_ARGS(nr_reclaimed, memcg)
> -);
> #endif /* CONFIG_MEMCG */
>
> TRACE_EVENT(mm_shrink_slab_start,
> --
> 2.53.0-Meta
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2026-08-13 8:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-11 20:31 [PATCH for-7.4 0/9] memcg: remove the v1 soft limit Shakeel Butt
2026-08-11 20:31 ` [PATCH 1/9] memcg: make the v1 soft limit knob inert Shakeel Butt
2026-08-12 22:50 ` Andrew Morton
2026-08-12 23:40 ` Shakeel Butt
2026-08-13 8:22 ` Michal Hocko
2026-08-11 20:31 ` [PATCH 2/9] memcg: remove v1 soft limit reclaim Shakeel Butt
2026-08-13 8:24 ` Michal Hocko
2026-08-11 20:31 ` [PATCH 3/9] memcg: remove mem_cgroup_shrink_node() Shakeel Butt
2026-08-13 8:24 ` Michal Hocko
2026-08-11 20:31 ` [PATCH 4/9] memcg: remove the soft limit reclaim tracepoints Shakeel Butt
2026-08-13 8:25 ` Michal Hocko [this message]
2026-08-11 20:31 ` [PATCH 5/9] memcg: remove the soft limit rbtree Shakeel Butt
2026-08-13 8:25 ` Michal Hocko
2026-08-11 20:32 ` [PATCH 6/9] memcg: remove lru_gen_soft_reclaim() Shakeel Butt
2026-08-13 8:26 ` Michal Hocko
2026-08-11 20:32 ` [PATCH 7/9] memcg: remove the per-node soft limit tree fields Shakeel Butt
2026-08-13 8:27 ` Michal Hocko
2026-08-11 20:32 ` [PATCH 8/9] memcg: remove mem_cgroup->soft_limit Shakeel Butt
2026-08-13 8:27 ` Michal Hocko
2026-08-11 20:32 ` [PATCH 9/9] memcg: simplify v1 event ratelimiting Shakeel Butt
2026-08-13 8:28 ` Michal Hocko
2026-08-13 9:27 ` [PATCH for-7.4 0/9] memcg: remove the v1 soft limit Lorenzo Stoakes (ARM)
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