From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f178.google.com (mail-pg1-f178.google.com [209.85.215.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C88494D8D9C for ; Wed, 22 Jul 2026 11:33:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784720040; cv=none; b=Ne/5FUL1qOKWnGM6m8fS5SUu+6z660zAQcQGsxeJnXAGAYsx4CKDmDUIUS8nneuTDIPbzQihv86K/WdyUuIaeJDvWp2Z6ZZFsMmNb/I20rcRImASsnLktKVX/PtbuqrkKHY3rn5aMgFQ0wlyWpkYYvfA4YvyEomwcmj7RDTeEy0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784720040; c=relaxed/simple; bh=4dZ9VLxDpR3TIfuk0B4upDrYn2kZuOWz/udMkCi9ovU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QEIDknDV56d42PlojKSnXIbVXfUMU95+pMLc3fR1KHpyD7tbV8s27sLksDgyFIdbY7LxSCi+1rhoZNcbaagD0A4IIPOJHvO7Vt3W/NiWPX1Pg8xA5wad8X7zl9nCD79VVFyeGLZHN9vMVr81+8+NMAH9GLQeCRTUeihhYEpB/+M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ecStWgr/; arc=none smtp.client-ip=209.85.215.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ecStWgr/" Received: by mail-pg1-f178.google.com with SMTP id 41be03b00d2f7-cbb662575d3so1124492a12.0 for ; Wed, 22 Jul 2026 04:33:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1784720038; x=1785324838; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=YtTalQDtKgX2+sfw/36efx5Lj5w8MeFStk5ysuXqYT8=; b=ecStWgr/eMKW4TfzaJc8iOPCWN+SWFh8QBrnJdGX+6UqE3ajcW7xLg6JpMhCn7fWvA q4gqKGEYXYHkbeJExGhWaDXlGPUIfsABDrujGh7w+bdWtf1CuVAhARcbXsnC/ux/nr+A qzs12EoVPTTs0kLhdJQSqCmjD2MAELrHYl+rj9yCoDyYMWJt9AkIEo45ySs/EZDyT3oF edSlG3dnXi+AR7nLc6ljjlDTqSpHNdLbUTqGt5FNE+zI0ENbGJvPn5cHeSn/Y+SwR3/Z KCr0kshIvlh5Gz6fUvHJ+7CVv79YDdrFAmMkvIs1wmuo7dVelnLkHsWC8nBf2BfEifP6 ehZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784720038; x=1785324838; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=YtTalQDtKgX2+sfw/36efx5Lj5w8MeFStk5ysuXqYT8=; b=HgOaJH2FPREcp5CcS0yXarq2898fjw969fWYGj9HcoT3lXRIFt5+2zcrKoOjLIxhvR MfOVIOhu3o+V776wOO7bRxuSu6t5EPf5lLMYkp8p6IdkcY8FnBXdlGdy1jzkNo2ymOXq jV/DNWc8CEmtGGzKwW1CAC6QQ18r+hiJnYFw3hNhr2rLc/ZxOdoPHf9WXL7QKU5XD9Lf U2snZheFeDkqA9NGch02cwbqpvkaXVu+uqWv00j89PvxA0XIrW4GWHr2vH7V/Bxqg1GL 59E04wHYCFG1WHnh+71/y+Ekoc0SQ2x/fmnRXyxggeSFFBXdtR2QYYpm15M8gUeVDJPu 4Wyg== X-Forwarded-Encrypted: i=1; AHgh+RoJYLpZ9yAya2Zh4WLBnLOc0MjzpQ0MdK93ipiHpzKsS23km5g1Kp9hEU8ZSVzFnpaTyXICkt7tAYHYpgs=@vger.kernel.org X-Gm-Message-State: AOJu0YzFnJMHNgq8uTMJsQzPIRFJI6x5+TRxJIfpKzTL3HK3zBbAKmZB NYGrUPZiIQVPDmBhMO3g1T3xSvaZpDyFanI6g3cQJiwfNgU+JEdrBzbG X-Gm-Gg: AR+sD12B++gTsH/VequpgwXUr3gWVWRgzKntxuiL1uK9BywvhKANa+sv6QmbXzWKQnm rgLTxeOa303yqMkMu8mLGkn0K51w1bVKel5Yjq4D9iNHwGT8tYoKCUD7POpDc8pc+oNH4LpOaPn 2Gx4mLzRD1Zda8hV1SCcahdFAo9I9OtRuSUJOnQMXR3aaWEQ1uuNeJ9meg223HWSZt2ZBPrGFF1 HRzkcKF/7oYhsf2M/CBa4bszKsNyeUNd/NX3jX0CxhxCknt9D+/zIEUx+uJklB65sQ8/M5oq3yy qr7VuAlvLgIuGLJBiPGK49efceupgSxFqIJtk+REEFlsV0f0Nm/szC5UKvPM4S4pm5N3yrY7C2U qSXxve46vK0Q+of40pmwwH0ZALR5gRoWmE79OLaEZadEY3R7D/YyiywDZZbzGNqmRjclk7FPvzf XfVZyANH5iw+ylYrkPvQ== X-Received: by 2002:a05:6a20:4388:b0:3b3:fc6:622d with SMTP id adf61e73a8af0-3c3ada195d5mr24819669637.38.1784720038040; Wed, 22 Jul 2026 04:33:58 -0700 (PDT) Received: from apt.tailc82bd0.ts.net ([140.123.97.23]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cbb8f1c376esm980979a12.29.2026.07.22.04.33.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2026 04:33:57 -0700 (PDT) From: Cheng-Han Wu To: SJ Park Cc: Andrew Morton , Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linux.dev, Cheng-Han Wu Subject: [PATCH 2/2] mm/damon/core: remove unused damon_nr_running_ctxs() Date: Wed, 22 Jul 2026 19:33:38 +0800 Message-ID: <20260722113338.302603-3-hank20010209@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260722113338.302603-1-hank20010209@gmail.com> References: <20260722113338.302603-1-hank20010209@gmail.com> 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_nr_running_ctxs() has had no in-tree users since commit 5ec4333b1967 ("mm/damon: remove DAMON debugfs interface") removed all of its callers. Remove the unused declaration and definition. Signed-off-by: Cheng-Han Wu --- include/linux/damon.h | 1 - mm/damon/core.c | 14 -------------- 2 files changed, 15 deletions(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 8e5589ccf50f..50659c9083a9 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -1064,7 +1064,6 @@ int damon_set_attrs(struct damon_ctx *ctx, struct damon_attrs *attrs); void damon_set_schemes(struct damon_ctx *ctx, struct damos **schemes, ssize_t nr_schemes); int damon_commit_ctx(struct damon_ctx *old_ctx, struct damon_ctx *new_ctx); -int damon_nr_running_ctxs(void); bool damon_is_registered_ops(enum damon_ops_id id); int damon_register_ops(struct damon_operations *ops); int damon_select_ops(struct damon_ctx *ctx, enum damon_ops_id id); diff --git a/mm/damon/core.c b/mm/damon/core.c index da97b2dc39d1..891f851bcbbf 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1847,20 +1847,6 @@ int damon_commit_ctx(struct damon_ctx *dst, struct damon_ctx *src) return err; } -/** - * damon_nr_running_ctxs() - Return number of currently running contexts. - */ -int damon_nr_running_ctxs(void) -{ - int nr_ctxs; - - mutex_lock(&damon_lock); - nr_ctxs = nr_running_ctxs; - mutex_unlock(&damon_lock); - - return nr_ctxs; -} - /* Returns the size upper limit for each monitoring region */ static unsigned long damon_region_sz_limit(struct damon_ctx *ctx) { -- 2.52.0