From patchwork Tue Nov 21 19:43:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 13463520 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFFBDC61D90 for ; Tue, 21 Nov 2023 19:43:59 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 616446B047D; Tue, 21 Nov 2023 14:43:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5C6306B0489; Tue, 21 Nov 2023 14:43:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 466DA6B0491; Tue, 21 Nov 2023 14:43:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 354EA6B047D for ; Tue, 21 Nov 2023 14:43:59 -0500 (EST) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 053F7B5D0B for ; Tue, 21 Nov 2023 19:43:59 +0000 (UTC) X-FDA: 81482986998.23.38A0FE0 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by imf17.hostedemail.com (Postfix) with ESMTP id AC42440015 for ; Tue, 21 Nov 2023 19:43:56 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=oZKPN8XE; dmarc=pass (policy=none) header.from=ibm.com; spf=pass (imf17.hostedemail.com: domain of agordeev@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=agordeev@linux.ibm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1700595836; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=HPID8ld3NFC7QNxCmys1rrMIjghKSvVqhUfV+4J569A=; b=Ih1vZn/JHK8TJpPcYD8DYrx1VUnHtI/WZS4ibRG4w1dtkM8NrPaKi76ZufFQSwp4v7t5A0 IE2FYr+v1N0Fy3mN8WpgBhZ65bI1Pz96tWpFtz3h1yKs8/UGQ1O0VwjHUDgWmfXPNcc97u b68bAErh1piqKIj1eam8cxPA+uBNcKM= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=oZKPN8XE; dmarc=pass (policy=none) header.from=ibm.com; spf=pass (imf17.hostedemail.com: domain of agordeev@linux.ibm.com designates 148.163.158.5 as permitted sender) smtp.mailfrom=agordeev@linux.ibm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1700595836; a=rsa-sha256; cv=none; b=nexokd25zyj5n16fc/NeccEG2Pki7MS6kHFj04MQhsYxpygtRX2g+chQ9bB9KSbG1qno2s mrIOWzTKPB3yCXmAb+TIApe5OA5dyh/FG1a6xAiCuRvN4QLx8ifDoRQu+ujpy/dowvi8d9 g0CGP9FdUXGniJ18/Lc//imzBPJEIs8= Received: from pps.filterd (m0356516.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3ALJbjG4004534; Tue, 21 Nov 2023 19:43:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=HPID8ld3NFC7QNxCmys1rrMIjghKSvVqhUfV+4J569A=; b=oZKPN8XE5BNb/q+IESpGH9okoE+1nwm5eqdwnmaUMnf69vbaFD3CsALBFCuBqbVHPxF6 oKORL5VON/93jzKoBWgD6fHZIFv2aMZ8BaVlL7dPI6lHDfZMqUupyJ/tdaQq0qoLPu+D 1IKdkc4UwhR9kQZCY/JnVCHnuLjNmwXI6KfFocBH+O96DpA+EgAgWKgNGguakNG5inrr goZWvPpQ1i29ynRAikTi6DA9/PdnUsXp2fXJPnNGGvqHWhO6JZ5x6FWuZ8aLIZgf5bQU W7wJ+Ie9nw1xTIUoEYkrgxgWE2Dqy5A5xAOAhqAXgInfDxZRQbe8vcpBcgwPZVWO5uRB oQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3uh2vcg4us-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 19:43:55 +0000 Received: from m0356516.ppops.net (m0356516.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3ALJfaML013814; Tue, 21 Nov 2023 19:43:54 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3uh2vcg4u0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 19:43:54 +0000 Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3ALIU93Y007857; Tue, 21 Nov 2023 19:43:54 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 3ufaa22h2t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 19:43:54 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3ALJhpwi7537302 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Nov 2023 19:43:51 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4E6B020043; Tue, 21 Nov 2023 19:43:51 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3ED6F20040; Tue, 21 Nov 2023 19:43:51 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 21 Nov 2023 19:43:51 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 55669) id E6874E01D3; Tue, 21 Nov 2023 20:43:50 +0100 (CET) From: Alexander Gordeev To: Andrew Morton , Vishal Moola Cc: linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Gerald Schaefer , Heiko Carstens Subject: [PATCH v3 1/2] pgtable: fix s390 ptdesc field comments Date: Tue, 21 Nov 2023 20:43:49 +0100 Message-Id: <2eead241f3a45bed26c7911cf66bded1e35670b8.1700594815.git.agordeev@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: DVm_yGw2vUiTfBzk2EzqrfyOm1tTmDxj X-Proofpoint-ORIG-GUID: 1hAf0Kz3qyetXhHsZUYaxz_yjd8ILCud X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-21_10,2023-11-21_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 priorityscore=1501 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 phishscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311210153 X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: AC42440015 X-Stat-Signature: nzin788xussac34hfhusi7xxw1xcuiz8 X-HE-Tag: 1700595836-46791 X-HE-Meta: U2FsdGVkX1/SzVMxHgq1ka2Wne4kqGlesyXaTQiyBrsI7A3pfrwF5mMSxJX0TMPTDNhF6AYKr6cQZmCquVkmj/Eiib86Ox/xRn0Bzr0ir0lG8UzCUDevBKsgJOPcQvR90se1QglJdfVEwYLWq1+2lGi7ntZ3Z1dbIQq8zFdSp7roCcZh1vOif8jrnx5Uq8F7yz2AOAcFmFb4zHK8YlPfJgPWmk/LkS3wH9UmHHbce/zhjZ2dXv5p4V6sKFdYc45gO0chy65F6CcDipW133M7/dERAyn6Zyyz1x44gX1A9DAkSzOKSbqcmxk1S7Uy71VAWCWWWi30tHykjxud91zQ+R2fZg4mhle+yihMKzumDSm72OzmVR1CHzwXV6sqomuSiSYlZBVcz5gdpDbLD9v69tEnzsoyca+rXN7kJRTnYNvzmtA5q7OI/0JbZR1hL5RNUcydHV36dZlqDwHNwq6gad363V3RIr8QzcyPFq9ziic4fEzurtGf4T26pJmcjzl5i191rdPPWs34XrsnGZS5/5WfGaF7Nel5LgiHXeN7gJiS+gmrI9wRR3TTF+YNwepZRM2Un1bo+sUlAQQLzs8OJD2Jl5YVEY5ch4552hbWwydWsP6SUJ3ZxxZPSfGUXSRbPu9dj34pkw5iMMBmoVdLxpxCpM4NP4MXG3rPOLX44545tGk1cR09EknvT0SzmH80kNBMM7w9f22uQbb6wTT3UgFlK6QwbRTdQx3a+ZwWniC6hNBl2zAAe4NPoBz9eIYNRhjGQhnap5dRY4CSXORWFNb8tM6hv663SgLzT+qdwQEvK9noXQhPeTodeT9jyOzCQL5CanavI7+WeTdZCYRGk7gwQEMNkRMU9ymLAoH3amUVXVCRQFKPPh/luei8JGMAFL/nBtaTIR3GmwU/EMA4puaZYtkSIYrhr0goM8Rzk16rprE1WsQn/Vt+kIoSqiaqJUbppqANKIuLdtFNdgD PIV5KOW3 QszVf91qIUE2/jf6X4IS7kXW58c9tEsgK1Qx+vKRjWJBGzUDL13U62X4+TqnPp/+aqULoNnvNTC3rIm5D32nThB+8nAMbjYnuKOWlvqCC3COnkZvc0bZS0N3qeq9OT+MuOiNLfsfrY4ufxQlTe6Z1wHw7PFza8ac9L+Ep44IU6K56wG4lOhuLL4J1hhZzkfnnDClF4/eSa+f4yfF6lrw0FcADCA3J53NP0p4ZubxQmpAoggExuPySDgUXSSTCTa2T6gjYRj3dKW36VF95p0SgFJ3gld1MPEjhiCiXYdqRFJ3wrGc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Since commit d08d4e7cd6bf ("s390/mm: use full 4KB page for 2KB PTE") there is no fragmented page tracking on s390. Fix the corresponding comments. Suggested-by: Heiko Carstens Signed-off-by: Alexander Gordeev --- include/linux/mm_types.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 957ce38768b2..fbec64036baa 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -401,11 +401,11 @@ FOLIO_MATCH(compound_head, _head_2a); * @pmd_huge_pte: Protected by ptdesc->ptl, used for THPs. * @__page_mapping: Aliases with page->mapping. Unused for page tables. * @pt_mm: Used for x86 pgds. - * @pt_frag_refcount: For fragmented page table tracking. Powerpc and s390 only. + * @pt_frag_refcount: For fragmented page table tracking. Powerpc only. * @_pt_pad_2: Padding to ensure proper alignment. * @ptl: Lock for the page table. * @__page_type: Same as page->page_type. Unused for page tables. - * @_refcount: Same as page refcount. Used for s390 page tables. + * @_refcount: Same as page refcount. * @pt_memcg_data: Memcg data. Tracked for page tables here. * * This struct overlays struct page for now. Do not modify without a good