From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794272766; b=Ekc2K7X04ZfXnEZEGxjmXlHe7R0uRbGvrar5yrBfmN7DQJNXc+3Gxs0Ftrkw8RbAsuWk V1HrArt869iSdlZAu8dkUcOWaTuBdSAtShylpIPrE8vIDb8DKOj2Yz9x1Dap2r4ws3M3S N0RZbyCq/lHZdA9G+nyjoPOS0JZb+zJUn1/PTeeJ3Bcq4QPjVxaWW+VIyp62GA5zTKE/2 bxWZI5/KKOIfjjJXKvLOP8/RJErDOPkaq/08CEU4bXTI2x0NDS10PHatLqX5PWUtFZ1TS mX517gM5l3NRrRLrUSbsQmD/hLHZrsfxGy1TfTbPVEQm+gi+seX8pYezJlLVf7oNtig== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794272766; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=IaqtXb4shYGXU3OlBPma0gsoGJmW9Ovcsn7uO7R5/hM=; b=uZOx+EPLXl761+xgz/fq6zvO1ZC66lESAJ5qzSw+79Yt2ijEymp2+DjCwKk8cxOXgi5K qIL737sOCeQsu53VM6ImtylbixV5EzbKvyGc9/LjdRyhCeM8b/HxK4xyl/tpKZypUEB7D UAAqW1+GsSpQUfUo4vaqy5mGfraTL9K91bxt+fUtRo0Ovhl+x4CqSXyQtEPSMjklXtzjl vVYnqcmaPn/mXGCz3Gf1upuAlaAW4qEnbb6Xtw6ItD9+RHaXx1jjrd7Eu+kebksSIbGiG V89lTCmLEhYhGxcU3oLgWQFoFAGL6xn9HH2lX0BSGWbGSy/aSwu4G5q51fQDiaos+tw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=dh2V6PGU; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3FC69606A330; Tue, 10 Nov 2026 01:06:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=dh2V6PGU Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF8251F008A2; Tue, 10 Nov 2026 01:06:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794272766; bh=IaqtXb4shYGXU3OlBPma0gsoGJmW9Ovcsn7uO7R5/hM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=dh2V6PGUWulUa8ThTycgn1OccsBy/dik+PQbHjhi/G9GKGlFgdI4i/xkKdNuIXbla GiKlPNTpVbwlnOjEkUPJwmD64BQlEqaVe+NeS/tW1alC39C+jDDaOx4sVhPeduY0Dw Z1V7E8chFZcQXFPa5xvOhWXipZ1vNhAaeJl9HW7RFMbJgOqoJlGN5Jkrn5Mih8M0bA sF30AeBSuTERVAiHlGSvZ9gte5FjR/lNCMJCSCXWyiRKhARUACxME9iQXEWiqBIh2t MruiGM6AiWR09vS9bG0iVQy/a44zAq1KZUOFJpYb/+NgjFDRaQu6MS5HX61Fc5/yBg ukAKRenSjF4FQ== From: SJ Park To: Andrew Morton Cc: Enze Li , SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 1/2] mm/damon/core: use list_{next,prev}_entry() in damon_{next,prev}_region() Date: Mon, 9 Nov 2026 17:05:56 -0800 Message-ID: <20261110010558.104905-2-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261110010558.104905-1-sj@kernel.org> References: <20261110010558.104905-1-sj@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Enze Li damon_next_region() and damon_prev_region() manually do container_of() type casting to fetch the next and previous region from the linked list. Use the dedicated list.h helpers, list_next_entry() and list_prev_entry(), as damon_first_region() and damon_last_region() do. Signed-off-by: Enze Li Reviewed-by: SJ Park Signed-off-by: SJ Park --- Changes from v1 - v1: https://lore.kernel.org/20261103100714.70742-1-lienze@kylinos.cn - Collect R-b: from SJ. - Rebase to the latest mm-new. include/linux/damon.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/damon.h b/include/linux/damon.h index 1302ffb6f0bcb..c32ef79c3acea 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -992,12 +992,12 @@ static inline unsigned long damon_rand(struct damon_ctx *ctx, static inline struct damon_region *damon_next_region(struct damon_region *r) { - return container_of(r->list.next, struct damon_region, list); + return list_next_entry(r, list); } static inline struct damon_region *damon_prev_region(struct damon_region *r) { - return container_of(r->list.prev, struct damon_region, list); + return list_prev_entry(r, list); } static inline struct damon_region *damon_last_region(struct damon_target *t) -- 2.47.3