From patchwork Tue Apr 9 19:23:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 13623173 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 043D5157480 for ; Tue, 9 Apr 2024 19:27:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712690838; cv=none; b=FPQkuxx+EaK7O5iCawKcqxIXIsImzMKfv488c5zSno1jVQZOxs5GWkS1ZdAzCnjkhIoFbCxc+s3f+MSsCm9MwlNy9GYCCPshQ8R4qErlsu4hLUAkBqsq5dHDd8ttxiRqKP7lEgYfd7M8aBXstl67FMF8R4il8wZFbg/dR+fx+Hc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712690838; c=relaxed/simple; bh=zq0eZo/dQN8kHyMpocUFZ1dZ9OgFSNipiTHPXkCAd8Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=d0UYeNzJfbuyvBrGBMa+JiuCHQq1fTDMwBJ5ENiO+Ivg9upfZ30cox+z5yPgT/Y3wx7qqKPmczuy7lx5qsO9ZYMRtTj6fs7cAHsT9vg43q1aNZf6CxX5bS0WqFXhCY0VG8CEaG9+8oAf0qS9DO643CHKNql9wTXj0PyAVgDjgik= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Qqjlc9uO; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Qqjlc9uO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1712690836; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IIAPKUbl/14adNwXxGFYrjBvnjcRb79R1asl7bmu1AM=; b=Qqjlc9uObVNDoVp2u6r+lUync36ccKEqh+xcuZOBYebclTK1KYnBehoEZMccJ+P2VfxXzl pMD4GFLcfYxurKUzQeUpiXEkDN5n1iPiOOaotWKUnkgBz9FMgCHCVKsxVnsSPXKGhW9XkW 0Duh/kZN0COpjIvtwKZDEL0bFnkYps8= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-629-cPzfINHFMa2e8lR0ggInCw-1; Tue, 09 Apr 2024 15:27:12 -0400 X-MC-Unique: cPzfINHFMa2e8lR0ggInCw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1A5CC830E7B; Tue, 9 Apr 2024 19:27:11 +0000 (UTC) Received: from t14s.redhat.com (unknown [10.39.192.106]) by smtp.corp.redhat.com (Postfix) with ESMTP id B9D8740B4980; Tue, 9 Apr 2024 19:26:52 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org, cgroups@vger.kernel.org, linux-sh@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, David Hildenbrand , Andrew Morton , "Matthew Wilcox (Oracle)" , Peter Xu , Ryan Roberts , Yin Fengwei , Yang Shi , Zi Yan , Jonathan Corbet , Hugh Dickins , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Chris Zankel , Max Filippov , Muchun Song , Miaohe Lin , Naoya Horiguchi , Richard Chang Subject: [PATCH v1 18/18] Documentation/admin-guide/cgroup-v1/memory.rst: don't reference page_mapcount() Date: Tue, 9 Apr 2024 21:23:01 +0200 Message-ID: <20240409192301.907377-19-david@redhat.com> In-Reply-To: <20240409192301.907377-1-david@redhat.com> References: <20240409192301.907377-1-david@redhat.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 Let's stop talking about page_mapcount(). Signed-off-by: David Hildenbrand --- Documentation/admin-guide/cgroup-v1/memory.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/admin-guide/cgroup-v1/memory.rst b/Documentation/admin-guide/cgroup-v1/memory.rst index 46110e6a31bb..9cde26d33843 100644 --- a/Documentation/admin-guide/cgroup-v1/memory.rst +++ b/Documentation/admin-guide/cgroup-v1/memory.rst @@ -802,8 +802,8 @@ a page or a swap can be moved only when it is charged to the task's current | | anonymous pages, file pages (and swaps) in the range mmapped by the task | | | will be moved even if the task hasn't done page fault, i.e. they might | | | not be the task's "RSS", but other task's "RSS" that maps the same file. | -| | And mapcount of the page is ignored (the page can be moved even if | -| | page_mapcount(page) > 1). You must enable Swap Extension (see 2.4) to | +| | The mapcount of the page is ignored (the page can be moved independent | +| | of the mapcount). You must enable Swap Extension (see 2.4) to | | | enable move of swap charges. | +---+--------------------------------------------------------------------------+