From patchwork Thu Jul 6 08:58:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aneesh Kumar K V X-Patchwork-Id: 1804202 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=qj4VM0+l; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QxVqv4hG1z20ZQ for ; Thu, 6 Jul 2023 19:00:59 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=qj4VM0+l; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4QxVqt3p8qz3c3K for ; Thu, 6 Jul 2023 19:00:58 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=qj4VM0+l; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com; envelope-from=aneesh.kumar@linux.ibm.com; receiver=lists.ozlabs.org) Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4QxVnk5m3Lz3bpK for ; Thu, 6 Jul 2023 18:59:06 +1000 (AEST) Received: from pps.filterd (m0353723.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3668qadW013823; Thu, 6 Jul 2023 08:58:40 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=SO8r5VbGmdwJ3q2RNf1QQ4rNQ+vbk/APFGvtlYo2uGM=; b=qj4VM0+l9pDHoT5/UHKVgRVF6axZw2HM3H0Mj0bqFGArtaHyDwedi6eBBU3jr+GnhM97 J3a4JrYvtHI2tB4oQHyFYXtRJtED2T4jCNtDhjInMrKanjUDDStRgUq+zjMaZvcJZb8U uB+m+KvmYW9Yodn0cVw/qpkamfhyHvH8FqIXhmjq6KUPxkANA6CUZmeSqL7BSNYsdoJS qi+MiwR4cZu0XVX759rxKCPA1f6KorjhB5dPdtynhS8jFfx8uHDTyfCrO++Iv+6MMbt1 YKlvkitpbIB8cUFORlyBd9m0pGv/bzSnAjHLacni4F4ZDDdRsOCIxf2G+NkbeXEOcTog DQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rntfpr40f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Jul 2023 08:58:40 +0000 Received: from m0353723.ppops.net (m0353723.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3668sBQL019390; Thu, 6 Jul 2023 08:58:39 GMT Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rntfpr405-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Jul 2023 08:58:39 +0000 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3667knaR002598; Thu, 6 Jul 2023 08:58:39 GMT Received: from smtprelay05.wdc07v.mail.ibm.com ([9.208.129.117]) by ppma05wdc.us.ibm.com (PPS) with ESMTPS id 3rjbs5yxu5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Jul 2023 08:58:39 +0000 Received: from smtpav01.dal12v.mail.ibm.com (smtpav01.dal12v.mail.ibm.com [10.241.53.100]) by smtprelay05.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3668wbXZ65339776 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 6 Jul 2023 08:58:38 GMT Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9C4D358059; Thu, 6 Jul 2023 08:58:37 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D486058057; Thu, 6 Jul 2023 08:58:32 +0000 (GMT) Received: from skywalker.in.ibm.com (unknown [9.109.212.144]) by smtpav01.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 6 Jul 2023 08:58:32 +0000 (GMT) From: "Aneesh Kumar K.V" To: linux-mm@kvack.org, akpm@linux-foundation.org, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, npiggin@gmail.com, christophe.leroy@csgroup.eu Subject: [PATCH v3 01/13] mm/hugepage pud: Allow arch-specific helper function to check huge page pud support Date: Thu, 6 Jul 2023 14:28:07 +0530 Message-ID: <20230706085819.827761-2-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230706085819.827761-1-aneesh.kumar@linux.ibm.com> References: <20230706085819.827761-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 3IIzO4X39zwkmKxpAzglX5tlHicNfMUx X-Proofpoint-GUID: yXhgcgU-CZmSvaocgdEUuZmGVnoTxV9y X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-06_05,2023-07-06_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 mlxscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0 priorityscore=1501 adultscore=0 suspectscore=0 clxscore=1015 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307060075 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Catalin Marinas , Muchun Song , "Aneesh Kumar K.V" , Dan Williams , Oscar Salvador , Will Deacon , Joao Martins , Mike Kravetz Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Architectures like powerpc would like to enable transparent huge page pud support only with radix translation. To support that add has_transparent_pud_hugepage() helper that architectures can override. Signed-off-by: Aneesh Kumar K.V --- drivers/nvdimm/pfn_devs.c | 2 +- include/linux/pgtable.h | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index af7d9301520c..18ad315581ca 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -100,7 +100,7 @@ static unsigned long *nd_pfn_supported_alignments(unsigned long *alignments) if (has_transparent_hugepage()) { alignments[1] = HPAGE_PMD_SIZE; - if (IS_ENABLED(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)) + if (has_transparent_pud_hugepage()) alignments[2] = HPAGE_PUD_SIZE; } diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 5063b482e34f..cf13f8d938a8 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1499,6 +1499,9 @@ typedef unsigned int pgtbl_mod_mask; #define has_transparent_hugepage() IS_BUILTIN(CONFIG_TRANSPARENT_HUGEPAGE) #endif +#ifndef has_transparent_pud_hugepage +#define has_transparent_pud_hugepage() IS_BUILTIN(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD) +#endif /* * On some architectures it depends on the mm if the p4d/pud or pmd * layer of the page table hierarchy is folded or not.