From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAC10C282DA for ; Wed, 17 Apr 2019 13:24:38 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 31806206BA for ; Wed, 17 Apr 2019 13:24:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31806206BA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 44kjdH6QWDzDq6K for ; Wed, 17 Apr 2019 23:24:35 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=aneesh.kumar@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-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 44kj9c3GLQzDqMH for ; Wed, 17 Apr 2019 23:04:04 +1000 (AEST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3HCjFKE064142 for ; Wed, 17 Apr 2019 09:04:02 -0400 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0a-001b2d01.pphosted.com with ESMTP id 2rx3j8katw-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 17 Apr 2019 09:04:01 -0400 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 17 Apr 2019 14:03:58 +0100 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3HD3vsc29819028 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 Apr 2019 13:03:57 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 968C8C6057; Wed, 17 Apr 2019 13:03:57 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 66366C6065; Wed, 17 Apr 2019 13:03:55 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.199.40.202]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Wed, 17 Apr 2019 13:03:55 +0000 (GMT) From: "Aneesh Kumar K.V" To: npiggin@gmail.com, paulus@samba.org, mpe@ellerman.id.au, Christophe Leroy Subject: [PATCH v3 0/6] Reduce memory usage for mm_context_t Date: Wed, 17 Apr 2019 18:33:45 +0530 X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19041713-0020-0000-0000-00000ED8D0F1 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010943; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000284; SDB=6.01190371; UDB=6.00623771; IPR=6.00971169; MB=3.00026484; MTD=3.00000008; XFM=3.00000015; UTC=2019-04-17 13:04:00 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19041713-0021-0000-0000-000065775083 Message-Id: <20190417130351.3805-1-aneesh.kumar@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-17_05:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=694 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904170089 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: "Aneesh Kumar K.V" , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This patch moves hash translation related context variables to another structure and runtime allocate that based on translation mode. Aneesh Kumar K.V (6): powerpc/mm/radix: Do slb preload only with hash translation mode powerpc/mm: Remove PPC_MM_SLICES #ifdef for book3s64 powerpc/mm: Add helpers for accessing hash translation related variables powerpc/mm: Move slb_addr_linit to early_init_mmu powerpc/mm: Reduce memory usage for mm_context_t for radix powerc/mm/hash: Reduce hash_mm_context size arch/powerpc/include/asm/book3s/64/mmu-hash.h | 37 +++++++- arch/powerpc/include/asm/book3s/64/mmu.h | 92 +++++++++++++------ arch/powerpc/include/asm/book3s/64/slice.h | 13 --- arch/powerpc/include/asm/nohash/32/mmu-8xx.h | 50 ++++++++++ arch/powerpc/kernel/paca.c | 12 +-- arch/powerpc/kernel/process.c | 3 +- arch/powerpc/kernel/setup-common.c | 7 +- arch/powerpc/mm/hash_utils_64.c | 17 +++- arch/powerpc/mm/mmu_context_book3s64.c | 29 +++++- arch/powerpc/mm/slb.c | 2 +- arch/powerpc/mm/slice.c | 49 +++++----- arch/powerpc/mm/subpage-prot.c | 34 +++++-- arch/powerpc/mm/tlb_nohash.c | 6 ++ 13 files changed, 248 insertions(+), 103 deletions(-) -- 2.20.1