From patchwork Tue Feb 18 15:08:47 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Masami Hiramatsu (Google)" X-Patchwork-Id: 13980154 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 55F81238D3B; Tue, 18 Feb 2025 15:08:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739891333; cv=none; b=sP/z2IQDKQOXFnSEHPoZ2Ib0P6uiQd00JwHolPKT6pUnnXPZ0I/N1+TUAf0h2xkbbG7Z/ffORApxqVlilBL06glqwpg7JASK7n4ad9TYqf6lPlp3nXN9CcEjy4nOO64r6d7Kui9mKBK+g1pnz7MD7MedWCRq8XBbdUf9rj5sN/I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739891333; c=relaxed/simple; bh=C2H5wAjc2KrxGji61Y/Dl8GqE/wcFsvQccted8JJdpk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=VQV6lLVPp9m4jwjilUW3bDTOJ8oAtfj2o688i6GizJMfVgLNyL2XUEG8XThP/yR/HfeMNNsfpyWcFa5DQqpacuJP29xQ/0FAksY4x/TuMP0D/I8iHb4pUwqRTFLKiPHb4k8VwwoQ+SaI/6VC28bvY+/uu8+8krRKgx4HtyuzK+c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g5eiRnq7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="g5eiRnq7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50332C4CEE2; Tue, 18 Feb 2025 15:08:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739891332; bh=C2H5wAjc2KrxGji61Y/Dl8GqE/wcFsvQccted8JJdpk=; h=From:To:Cc:Subject:Date:From; b=g5eiRnq70gth7G42fuezAWCEnXoutX/8Glvvqyh+8YLrVwwsPXq0MKfDFNiIfrJmZ zePLiOvckZjkcrpNO8f4EGITZZazWhxarrbi+2ilvRK5rB9/hDYdFUSRuAduoXv/vP 8IIvmwjzUfLFQhLUvf+jpm3GfoEKiF8Y9Gf5UyRTzMVLvBRBJgHKzhqvVQF9w0Wj/3 s8HP0hqMmJ3U2zlLFjbbDHhK/06nMTnNfzSm0LzKRYvWi9NF6QCHj3SAuOuabUSiFa NVLDTiOMwZ4E0ywkBJdVIIFQj2EZLnl8VBPvClIgBIQKTTMRcbeHOA9CsOhVzLKlub l3FrryGpOKwTQ== From: "Masami Hiramatsu (Google)" To: Steven Rostedt Cc: Masami Hiramatsu , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Mark Rutland , Mathieu Desnoyers , Andrew Morton , Mike Rapoport , linux-mm@kvack.org Subject: [PATCH v4 0/2] tracing: Make persistent ring buffer freeable Date: Wed, 19 Feb 2025 00:08:47 +0900 Message-ID: <173989132750.230693.15749600013776132201.stgit@devnote2> X-Mailer: git-send-email 2.43.0 User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi, Here is the 4th version of patches for making the persistent ring buffer freeable. The previous version is here; https://lore.kernel.org/all/173928521419.906035.17750338150436695675.stgit@devnote2/ In this version, I used free_reserved_area() instead of custom releasing code. This seems working correctly. Thanks Mike! Thank you, --- Masami Hiramatsu (Google) (2): mm/memblock: Add reserved memory release function tracing: Freeable reserved ring buffer include/linux/mm.h | 1 + kernel/trace/trace.c | 13 +++++++++- kernel/trace/trace.h | 1 + mm/memblock.c | 66 +++++++++++++++++++++++++++++++++++++++++--------- 4 files changed, 68 insertions(+), 13 deletions(-) -- Masami Hiramatsu (Google)