From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (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 E5A3C386553 for ; Mon, 20 Apr 2026 08:02:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776672126; cv=none; b=ZYirs4E55VFr03ksdc92mAL4OIHmqwhK8jdsyeENcZFO5gxxcH/CMCUkj9vaYhBkC6qaqTnh1T2hNpj43RAbYO7Q82fm7z9cZAYez0PI3JE8TpmAJLHU4dZe73RDQzwT5tZ5bq9dze8BDvUbaWcOt3+bSTlliB39+fzOkh/0RwE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776672126; c=relaxed/simple; bh=chGgrM0zqvhrwDOcn6W2jAzr0tXTRGdlY8VN43QmKuw=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=CSr2oz1jWSEHnxpJCFcC8gRjQuU9ykj0AAWUQJE/EN2nrwBGZbYk3ulMmNjWIQJM+DCdywyGbkENw8e8rSD6m0vC5LteMLvO3QM+6OW6byYzMKCuhID3b17ZokA6ua0OPuJyFZSjgSWEzsSwKjNXLF8uaPK/oqGdJJ0o2vow8cg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=h-partners.com; spf=pass smtp.mailfrom=h-partners.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=h-partners.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=h-partners.com Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4fzdGy3qsvzHnGjD; Mon, 20 Apr 2026 16:01:30 +0800 (CST) Received: from mscpeml500003.china.huawei.com (unknown [7.188.49.51]) by mail.maildlp.com (Postfix) with ESMTPS id 2B28440569; Mon, 20 Apr 2026 16:01:55 +0800 (CST) Received: from mscphis04371.huawei.com (10.123.69.39) by mscpeml500003.china.huawei.com (7.188.49.51) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 20 Apr 2026 11:01:54 +0300 From: Gorbunov Ivan To: CC: , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v2 0/2] mm: improve folio refcount scalability Date: Mon, 20 Apr 2026 08:01:17 +0000 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: mscpeml500003.china.huawei.com (7.188.49.51) To mscpeml500003.china.huawei.com (7.188.49.51) This is a v2 of the series that aims to improve refcount scalability via dedicated bit. [1] Changes since v1: - Fixed frozen pages initialization - Fixed page_ref_count behavior on frozen pages - Added debug checks to ensure that some modification methods are not called on frozen pages [1] https://lore.kernel.org/all/20260228141941.f6fec687aae9d80a161387f4@linux-foundation.org/ Gladyshev Ilya (1): mm: implement page refcount locking via dedicated bit Gorbunov Ivan (1): mm: drop page refcount zero state semantics drivers/pci/p2pdma.c | 2 +- include/linux/page-flags.h | 13 +++++++++ include/linux/page_ref.h | 43 +++++++++++++++++++++++++++--- kernel/liveupdate/kexec_handover.c | 2 +- mm/hugetlb.c | 2 +- mm/mm_init.c | 6 ++--- mm/page_alloc.c | 4 +-- 7 files changed, 61 insertions(+), 11 deletions(-) -- 2.43.0