From nobody Wed Dec 17 22:58:04 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9645FC61D96 for ; Tue, 21 Nov 2023 19:44:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229679AbjKUToF (ORCPT ); Tue, 21 Nov 2023 14:44:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229488AbjKUToD (ORCPT ); Tue, 21 Nov 2023 14:44:03 -0500 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62C6E191; Tue, 21 Nov 2023 11:44:00 -0800 (PST) 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 Content-Transfer-Encoding: quoted-printable 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 --=20 2.39.2 From nobody Wed Dec 17 22:58:04 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D6B9C61D90 for ; Tue, 21 Nov 2023 19:44:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231235AbjKUToI (ORCPT ); Tue, 21 Nov 2023 14:44:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbjKUToE (ORCPT ); Tue, 21 Nov 2023 14:44:04 -0500 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CF3D18E; Tue, 21 Nov 2023 11:44:01 -0800 (PST) Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3ALJV7hk016863; Tue, 21 Nov 2023 19:43:56 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=sfoseUW6X0FYp/4SUVJyXVhMgfGyNvGbGq8xzf/X2+k=; b=ew37sGr72F7mpnAQzXl3m9nhFJV0DFJ5qk6WKw80Et7ZbgRSv2ry3q/svksvxGNTmRM7 8Fd6ItVp3Q9OLquYsNhz2PDj8typQctLcYUliMr3wq6wDNhVZA4CCRF/0MYlY5Zt81YG pah/xmUZE6Er2HvsDIPgdpUN/WH2j4UFaQlHdPUOw0SRNBEsuRoh+amMQRitnBgf/khZ Rlh+DZKD67qOkCljedD4dDZv+wXqSUHzmV5Lio43d4L+XAo6mB+Lsb1CN+t7uu6XPeJ0 +D+CLvyHsjZZT5ChbXEtuz1q+MN+fl9BAwfG1F6zpBmQKQ5uaPSzsAF3nBgq+V6EnR1o aQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3uh2gc0jgc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 19:43:56 +0000 Received: from m0353729.ppops.net (m0353729.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3ALJVJO7017714; Tue, 21 Nov 2023 19:43:56 GMT Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3uh2gc0jfp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 19:43:55 +0000 Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3ALIZQM1005833; Tue, 21 Nov 2023 19:43:54 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3uf7yyk70g-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 21 Nov 2023 19:43:54 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3ALJhpCF10682918 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Nov 2023 19:43:51 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 599C920049; Tue, 21 Nov 2023 19:43:51 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4825020040; Tue, 21 Nov 2023 19:43:51 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav06.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 E9492E15BD; 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 2/2] pgtable: rename ptdesc _refcount field to __page_refcount Date: Tue, 21 Nov 2023 20:43:50 +0100 Message-Id: <982bdc652ba79a606c3d01c905766e7e076b3315.1700594815.git.agordeev@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Ak6U_akwJ3mCn-SzIoTVHRALtQuL-Vg2 X-Proofpoint-GUID: I7mM7rYEn9TiBvsCbfyTHufWwX4Zelle 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 impostorscore=0 mlxscore=0 malwarescore=0 adultscore=0 phishscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311210153 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Rename ptdesc _refcount field to __page_refcount similar to the other unused page fields. Suggested-by: Vishal Moola Signed-off-by: Alexander Gordeev --- include/linux/mm_types.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index fbec64036baa..ef18d2b25378 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -405,7 +405,7 @@ FOLIO_MATCH(compound_head, _head_2a); * @_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. + * @__page_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 @@ -438,7 +438,7 @@ struct ptdesc { #endif }; unsigned int __page_type; - atomic_t _refcount; + atomic_t __page_refcount; #ifdef CONFIG_MEMCG unsigned long pt_memcg_data; #endif @@ -452,7 +452,7 @@ TABLE_MATCH(compound_head, _pt_pad_1); TABLE_MATCH(mapping, __page_mapping); TABLE_MATCH(rcu_head, pt_rcu_head); TABLE_MATCH(page_type, __page_type); -TABLE_MATCH(_refcount, _refcount); +TABLE_MATCH(_refcount, __page_refcount); #ifdef CONFIG_MEMCG TABLE_MATCH(memcg_data, pt_memcg_data); #endif --=20 2.39.2