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[61.221.208.111]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-36081ea7e5csm7069382eec.15.2026.10.16.07.38.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Oct 2026 07:38:16 -0700 (PDT) From: "Adrian Huang (Lenovo)" To: SJ Park Cc: Andrew Morton , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ahuang12@lenovo.com, "Adrian Huang (Lenovo)" Subject: [PATCH 1/1] mm/damon/core: Remove unnecessary zero-initialization in damon_new_ctx() Date: Fri, 16 Oct 2026 22:37:33 +0800 Message-Id: <20261016143733.320-1-adrianhuang0701@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit damon_new_ctx() allocates the context structure using kzalloc(), which already initializes all fields to zero. The explicit initialization of passed_sample_intervals, next_aggregation_sis, and next_ops_update_sis is therefore redundant. In addition, they are later initialized by kdamond_init_ctx() before use. Remove the unnecessary assignments to simplify the code. Signed-off-by: Adrian Huang (Lenovo) --- mm/damon/core.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index b63e60ef8990..74e6022ca137 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -918,11 +918,6 @@ struct damon_ctx *damon_new_ctx(void) ctx->attrs.aggr_interval = 100 * 1000; ctx->attrs.ops_update_interval = 60 * 1000 * 1000; - ctx->passed_sample_intervals = 0; - /* These will be set from kdamond_init_ctx() */ - ctx->next_aggregation_sis = 0; - ctx->next_ops_update_sis = 0; - mutex_init(&ctx->kdamond_lock); INIT_LIST_HEAD(&ctx->call_controls); mutex_init(&ctx->call_controls_lock); -- 2.53.0