{"id":2219792,"url":"http://patchwork.ozlabs.org/api/patches/2219792/?format=json","web_url":"http://patchwork.ozlabs.org/project/sparclinux/patch/20260404122105.3989557-6-songmuchun@bytedance.com/","project":{"id":10,"url":"http://patchwork.ozlabs.org/api/projects/10/?format=json","name":"Linux SPARC Development ","link_name":"sparclinux","list_id":"sparclinux.vger.kernel.org","list_email":"sparclinux@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260404122105.3989557-6-songmuchun@bytedance.com>","list_archive_url":null,"date":"2026-04-04T12:20:58","name":"[v2,5/5] sparc/mm: drop vmemmap_check_pmd helper and use generic code","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"1e2a4b01f855c9229f0999f7edfc7f46408cbee5","submitter":{"id":78930,"url":"http://patchwork.ozlabs.org/api/people/78930/?format=json","name":"Muchun Song","email":"songmuchun@bytedance.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/sparclinux/patch/20260404122105.3989557-6-songmuchun@bytedance.com/mbox/","series":[{"id":498723,"url":"http://patchwork.ozlabs.org/api/series/498723/?format=json","web_url":"http://patchwork.ozlabs.org/project/sparclinux/list/?series=498723","date":"2026-04-04T12:20:53","name":"mm/sparse-vmemmap: provide generic vmemmap_set_pmd() and vmemmap_check_pmd()","version":2,"mbox":"http://patchwork.ozlabs.org/series/498723/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2219792/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219792/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","sparclinux@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@ozlabs.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bytedance.com header.i=@bytedance.com\n header.a=rsa-sha256 header.s=google header.b=SsIKU/97;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; helo=mail.ozlabs.org;\n envelope-from=srs0=uimf=cd=vger.kernel.org=sparclinux+bounces-6636-patchwork-incoming=ozlabs.org@ozlabs.org;\n receiver=patchwork.ozlabs.org)","gandalf.ozlabs.org;\n arc=pass smtp.remote-ip=172.234.253.10 arc.chain=subspace.kernel.org","gandalf.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=bytedance.com","gandalf.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bytedance.com header.i=@bytedance.com\n header.a=rsa-sha256 header.s=google header.b=SsIKU/97;\n\tdkim-atps=neutral","gandalf.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=sparclinux+bounces-6636-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com\n header.b=\"SsIKU/97\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.215.174","smtp.subspace.kernel.org;\n dmarc=pass (p=quarantine dis=none) header.from=bytedance.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=bytedance.com"],"Received":["from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fnvrj6DcVz1yCs\n\tfor ; Sat, 04 Apr 2026 23:23:33 +1100 (AEDT)","from mail.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3])\n\tby gandalf.ozlabs.org (Postfix) with ESMTP id 4fnvrj56Q6z4wHk\n\tfor ; Sat, 04 Apr 2026 23:23:33 +1100 (AEDT)","by gandalf.ozlabs.org (Postfix)\n\tid 4fnvrj4qy8z4wHr; Sat, 04 Apr 2026 23:23:33 +1100 (AEDT)","from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby gandalf.ozlabs.org (Postfix) with ESMTPS id 4fnvrf2bLpz4wHk\n\tfor ; Sat, 04 Apr 2026 23:23:30 +1100 (AEDT)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id EAEF23017C2A\n\tfor ; Sat, 4 Apr 2026 12:21:49 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 64EE32DFA25;\n\tSat, 4 Apr 2026 12:21:49 +0000 (UTC)","from mail-pg1-f174.google.com (mail-pg1-f174.google.com\n [209.85.215.174])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 3E6DE21A447\n\tfor ; Sat, 4 Apr 2026 12:21:47 +0000 (UTC)","by mail-pg1-f174.google.com with SMTP id\n 41be03b00d2f7-c06cb8004e8so956628a12.0\n for ;\n Sat, 04 Apr 2026 05:21:47 -0700 (PDT)","from n232-176-004.byted.org ([36.110.163.98])\n by smtp.gmail.com with ESMTPSA id\n d2e1a72fcca58-82cfebe5b23sm8327063b3a.59.2026.04.04.05.21.42\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Sat, 04 Apr 2026 05:21:45 -0700 (PDT)"],"ARC-Seal":["i=2; a=rsa-sha256; d=ozlabs.org; s=201707; t=1775305413; cv=pass;\n\tb=kX8//f696GhRcC+SgGJWo/9kz+fulnMY3xLjAQAcHEZtnSbnHDMeNtGsQ2OQkgmnBOzp8WnHJuawZdwsN1xxZBrinS90otox9NJspdsAEZoVUtorLf/Y1VL+XhxVSQ5/lFLNBDdjk3Q2QPDdAvcpMRYqMNGHF3HiK8jyJVhoe5KdzC/SP9o1g6T9fdgQCAmjHeM6CQuw4DGc1W5oGWNX3h5dr90zQKKSz99tqt2bhCd7dGIdP7xp5bzhppOfQC1rKCfwSe2IcW74TSl+ICnsE2bsVjoyX635aRsguTHJ07E6X8fjw5FZvEle1fQMGLngLjVIaLfGSYHSfcXV1DkPYQ==","i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775305309; cv=none;\n b=rDKg2492Eqi2D8bZvJTWf8Wk3xKffS0dZ+2+rxJGVky84aiA2Vb/3depu6v8N0Xx01q9NffXtSMqn0Mvnn9WXt3cxrinYdA622FnS5QOW9rrPQwAmicwgnoizaA35tIdw4KsplZBrvrpcxgyV4cscmE9Z/8P2r+1Wa05FKmKSDc="],"ARC-Message-Signature":["i=2; a=rsa-sha256; d=ozlabs.org; s=201707;\n\tt=1775305413; c=relaxed/relaxed;\n\tbh=8Y4Zwv844O5BRtbiO3p0keEYr5wdjmq4nDT8xkCMxlw=;\n\th=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:\n\t MIME-Version;\n b=vai0AZ9hDUsnetDKrNsrWvZSA+fS4qwhiREntXjk+ioC11cyRuPtbwo0waytrr3guQx97Myc1e8FhO2TRcVcBRHBpFJWHAFIwsdU8liz++5R1uRAw3fcRHY91EgBmbjvKDX/c8RIOFS+c20rTLHCWW/i3y3F6z7ATqDVDl7f4gaVb5RhnxCuHjZLVtDEmJUPyJDBJKs58D3OleBFsmWa/OBFjQMKlX7JrnRAfLOI4qAsED/OrDHJhgxHv6/d6RMNG4ovm2C+96epqW757Pa6LsrJnI4Zv3TRaJk/SdkTp8/BwbTQe5fZeAM2ugRH5vaA8gjxfUQU+MT9IZLTG2fN4g==","i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775305309; c=relaxed/simple;\n\tbh=w6hr2fger12ipP4mMrn/hi71iV0xtfKYCOSttrgEhLU=;\n\th=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:\n\t MIME-Version;\n b=Vux8nvZdzgXkMsq/UiF5q9gx8Xt3oI7ePYqrIk3fVda8J4/0ubgxtnrdTPtnTZCLNZqQBVof0uCP4t6SuVW+nrbOLm1FKFHx3n7HDTL/QRTDQsYLLnOM4/A/mVEAM48lCXEvtK4hZlRKEE6+NR0Pmy8b48zcpy4o96xVPteBBAs="],"ARC-Authentication-Results":["i=2; gandalf.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=bytedance.com;\n dkim=pass (2048-bit key;\n unprotected) header.d=bytedance.com header.i=@bytedance.com\n header.a=rsa-sha256 header.s=google header.b=SsIKU/97; dkim-atps=neutral;\n spf=pass (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=sparclinux+bounces-6636-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org) smtp.mailfrom=vger.kernel.org","i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=quarantine dis=none) header.from=bytedance.com;\n spf=pass smtp.mailfrom=bytedance.com;\n dkim=pass (2048-bit key) header.d=bytedance.com header.i=@bytedance.com\n header.b=SsIKU/97; arc=none smtp.client-ip=209.85.215.174"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=bytedance.com; s=google; t=1775305306; x=1775910106;\n darn=vger.kernel.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=8Y4Zwv844O5BRtbiO3p0keEYr5wdjmq4nDT8xkCMxlw=;\n b=SsIKU/97RXE6gNQsSkQ9w53pEBxGXLfc6fdhsGgMhrk8PjZXVKUoHu6/0ADAogojmY\n aE25zaEfdCU8vGbUSSfU6UcQf+poN+FgepTFlwGI74sq1zkfagBQEdOQ2KOPFbDOwv6i\n 4a9+HBWci54X5rID8a3z5cn2eZlyEGRsU3TKqwen5wMk2yJZfKxdE6rov9ikhcWJGaWl\n TEiH79aD6zVW6tLALvssZi8T4k7MMokhl0DpKeQgigkkeJN+FxZZ8RuB1K0rvQaBn2L2\n y8nu0s3RuxfnCdANdf3rcSQZUXav+N4n+qIU+wZZ55A7k//ct2gjNlpYkCAqCWJ9k+Uc\n DEXQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1775305306; x=1775910106;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=8Y4Zwv844O5BRtbiO3p0keEYr5wdjmq4nDT8xkCMxlw=;\n b=SyKN7JbTb4nyqE9gtfThD3/d6Jm62tyawXO3tq86wBA2vy5G5ZtFCZTtPeL56DAsmc\n KzbwMWrhdlFSWLe3MnsT7jYkV1t33dCKkBZ6mYqvgvXtnIPYCE0IchulC42QpkQlHF4t\n G2fJxcL40SOHtQPEePDRe7RoFW6/ai2Pt3cvOD0Au7OnShpoxjywNoH0dlADGRfZZ8LE\n UBdiuHn2ZhjTLI9qWMqcMc2SES4Cp4MRf/WvJP83kCvwJo+hCOUfocOPaDUS9+Sqv/6p\n mRm1ZJSduMqhMN9K7G0DF1YtrXmapVSJ+4uXmhSJ7WidWwGnETKgwpd75nt63zgUwzCF\n jXFw==","X-Forwarded-Encrypted":"i=1;\n AJvYcCV5pdZI+xB8rz1VVD545AuOFJRWA4KRG55gUGWrTe1f0iW1r6o/cd+dc03Do1aETkUpMo9BEIOnXm6P@vger.kernel.org","X-Gm-Message-State":"AOJu0Yxxdi8ziJYg894H6UmxBddYxj3MW/Iro3m951SQOcmnM+QzvzAk\n\t6HON8ad8Eca6Za3FqoA6Is2X0EyTQFx7i27cMTwYjKA4KRsEJIslGUWMPdxBe2HV+jE=","X-Gm-Gg":"AeBDieslpyP/lK2xLAEMC3eVXA0RO29BJorj4KtHHA9cmE9+k/iCuF+K/nOHYrFbLMs\n\tD7O6dHyyx+3D6zAY2q0Xq+dc16HnPmUgg0HvGzBoZRvLFskXy9MPMItuh9YZQm2dgxWJ3Kdk3ZY\n\ton3RWrvbyh2wO683mRwucoTeH/9p+XhPNYhf5BmaZUalPa8QTIVtKPTKlsdpP3HW3XoaJRss9AY\n\tfHZcQgB8CIAUKbt4QkacSwykwFK5CIb+dfJXPZxa7eE5KRnEKIXoCCQtz0EYJWpQQzQKKRtCoGz\n\tvZmeqp60AfANvNc5x1CuAjR1vyrCxQ+wTvArwOgo+NThzh1Ega5ztjqY6k4He54Zzll9JGFmrzi\n\trEjwYKEGnlm6UWUcQsX7OlDskrwGn1i6TFiVJCQv3ghD0Adej+8udMoeEvprLKNTjY7EmfkVdBF\n\t12f90/BolkEaJhXqwC+xAACw2LURV9gQRzRTCuZgZysEc=","X-Received":"by 2002:a05:6300:2109:b0:39c:c07:1450 with SMTP id\n adf61e73a8af0-39f2f20dfd2mr5649641637.42.1775305306320;\n Sat, 04 Apr 2026 05:21:46 -0700 (PDT)","From":"Muchun Song ","To":"\"David S. Miller\" ,\n\tAndreas Larsson ","Cc":"linux-mm@kvack.org,\n\takpm@linux-foundation.org,\n\tMuchun Song ,\n\tMuchun Song ,\n\t\"Mike Rapoport (Microsoft)\" ,\n\tCatalin Marinas ,\n\t\"David Hildenbrand (Arm)\" ,\n\tKevin Brodsky ,\n\tKees Cook ,\n\t\"Matthew Wilcox (Oracle)\" ,\n\tChengkaitao ,\n\tAlex Shi ,\n\tsparclinux@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org","Subject":"[PATCH v2 5/5] sparc/mm: drop vmemmap_check_pmd helper and use\n generic code","Date":"Sat, 4 Apr 2026 20:20:58 +0800","Message-Id":"<20260404122105.3989557-6-songmuchun@bytedance.com>","X-Mailer":"git-send-email 2.20.1","In-Reply-To":"<20260404122105.3989557-1-songmuchun@bytedance.com>","References":"<20260404122105.3989557-1-songmuchun@bytedance.com>","Precedence":"bulk","X-Mailing-List":"sparclinux@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Spam-Status":"No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tHEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"},"content":"The generic implementations now suffice; remove the sparc copies.\n\nSigned-off-by: Muchun Song \n---\n arch/sparc/mm/init_64.c | 11 -----------\n 1 file changed, 11 deletions(-)","diff":"diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c\nindex 367c269305e5..4a089da0a490 100644\n--- a/arch/sparc/mm/init_64.c\n+++ b/arch/sparc/mm/init_64.c\n@@ -2579,17 +2579,6 @@ void __meminit vmemmap_set_pmd(pmd_t *pmd, void *p, int node,\n \tpmd_val(*pmd) = pte_base | __pa(p);\n }\n \n-int __meminit vmemmap_check_pmd(pmd_t *pmdp, int node,\n-\t\t\t\tunsigned long addr, unsigned long next)\n-{\n-\tint large = pmd_leaf(*pmdp);\n-\n-\tif (large)\n-\t\tvmemmap_verify((pte_t *)pmdp, node, addr, next);\n-\n-\treturn large;\n-}\n-\n int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,\n \t\t\t int node, struct vmem_altmap *altmap)\n {\n","prefixes":["v2","5/5"]}