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Wed, 26 Aug 2026 18:35:45 +0000 X-Mizu-Trace-ID: eb79b8ec4e60aea3 X-Migadu-Flow: FLOW_OUT Date: Wed, 26 Aug 2026 11:35:44 -0700 From: Shakeel Butt To: Hongfu Li Cc: hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, muchun.song@linux.dev, akpm@linux-foundation.org, cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hongfu Li Subject: Re: [PATCH] mm/memcontrol: remove unused memcg parameter in calculate_high_delay() Message-ID: References: <20260825120153.1405-1-hongfu.li@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260825120153.1405-1-hongfu.li@linux.dev> X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: BF29F1C0007 X-Stat-Signature: zwe8n8ru6pd7zg558rhgszjd7dzzow4h X-HE-Tag: 1787769347-318734 X-HE-Meta: U2FsdGVkX19r+mzChdSl0f4UIpVRnVYb10WilJmR5MTZxoYg/A3B/zrtFn83GWSt05upgJBb5N0QjO4DTkHS+TVx8KYd/LlgD+JNWmTiRzC15T7t4mEHeZl1BXn4WA9muizW3YqbyxqDYL/bNs105mZC6NKbiXY5+X8GPKIXVr1rs64+1u/oV2iKanKhVxJNFEiAxwpGY2mp8X5Jmuq/6l3tM8kLU7f4U/SfcQffNzalEvHcCOXF1nXlTTmE4p4mf/q5fhtzv9m32mrRhZUzvvZkNdrS7wExfLgvsAPBpMTkjHhZf+4y9fEZAGnXBdgE5X5Wv2CAzzYu6MmZv0m/Y8CFoNCpvtP8YS8mBIbCScs09W/uZx6fgyG+kia/8rB7tvpfthXVGwzJHbY9MRYHpWDBmWBVwtZ+Y2b7sRfuOxnzsmOIYiFki+FoW0yrMu720981x8LHI9HEcQ3iVleH9dnfSjgcFXQ8XsE4FaK4VYELJbBLg0OtMKRVZK7wvdEYEMWANsMTQfOmpIJW5v4jL0xvY3/i8YOGv/KRWT9js52b+ERzTWnUurP+1y1JyzZBFECrn9xlESTUlWSPorHfdGnuXQa1Tb6QjfjYUj46Je5PkOHFGDqRpeuJGR/cKDhVu3mxTJYTyNYF9njysuQtG5TTQst256DOnhxKfB/xRwdFyqM/mPqkB2IglYTJsrfjK6Hp6jUhAsPliBWXUlMdlVefm4u+Jvyw6fgQHJEeFDx48bemme5k+7G9z1rzgpUY/6Vj9A3yntvlbRJE9JW5kSJL18xj/6NDYYBEZUCWvmwkbmb+oFkB3KmAcl9ZiMbpnObwROSjsJrpT30wvexXt3YyXhjmZR32OywHuBOwolk/9kNqkOjyu8GZipR17UNlO7Nqb3r2kRkaZdgKmygZTDJ8WMXJIZ7jESYThySDKOABnwuO/KYX3oAdkVI33OY7YoBosmw58Q4jpWCsmzF rFdoLmN8 zGKs/2fFu4Xqor/T7B/Ogc9pFhtrQ8k66NgbjpFqnv3sdjQfCrPJO0Xs2V2VDoBfdje2TxSd1rlYHJPMLewrVhL7qlVeZEkHOmJeojmr4rxzrb5nN8dVy7SGkbI+ivzzAogkspgygRU4nTWs0ufnjVOC+/lY+5NR4OVnCeHiDtiNZSc24GJ6tsCehx9V/CkaxDPUjJ6Gz+TkJZoltZq18AYw5uN6NC0iFfHvSISuqKjOWzaSR0K3k6lyKQhlOtpaZv2oGnIjikaxiNjwen6+9bNYar43ZwI9nHISIcXx0hY8n/EdkDFFwnpYyXAFuifMr84ey1r5NV0PeNksvwyT/wKakaKLyPZYXv4YKp8DcSqjo1ac= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Aug 25, 2026 at 08:01:53PM +0800, Hongfu Li wrote: > From: Hongfu Li > > The memcg argument of calculate_high_delay() is never referenced in > its function body. The delay calculation only depends on nr_pages > and max_overage, and both callers have already obtained max_overage > from the same memcg. > > Drop this unused parameter and update the two call sites inside > __mem_cgroup_handle_over_high(). > > Signed-off-by: Hongfu Li Acked-by: Shakeel Butt