From patchwork Fri Aug 2 15:55:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 13751724 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5942A1537D4 for ; Fri, 2 Aug 2024 15:55:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722614148; cv=none; b=hwPzAOgnlIoOc4RIi6xT0B5uShHX+Dg1FGfxq01WKZN115YUxf4nk4MynlIYK7E2mhtXmYzD3efwuf+0em1aeIsxgG7IeXdIPP6CMv6p8IhF2RBvXjbO11IcJgGW0Ki1OjXVy9BxMezEFYTgsuDdAQL1iddUzMCBENGEO8QLaM4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722614148; c=relaxed/simple; bh=yWrrysTviCd1i7aiL4my77/CM6Vr1IENrGtPRMboIWo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YC+HbLhvm8ku63RRhtBone90QSVSiwM/a4EpRIoyMfNRBdMqbe0M4UWDLgtwHhSMsG96rBg8XyYu8fLfuT+z3sYybftAeL+aIwzSHhVtpKdUHPLg+jLzw/iF0ZU5Qt8y8RSpCmaZnD0kFhCk6rBRxYaT7Wo//+ZxRNprf+/SuH4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=SWLVrXYL; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="SWLVrXYL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1722614145; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UBGeX8yYPmEXT+9EKnjIl4n92Yc2dlnMkDo/CXaQu2Y=; b=SWLVrXYLlD1mTkAKXyJKND/yYYDgQzGmHlG/uToQkS9yJZJ3Mk/DVh1H9NJJHEAN2Lp1ei DtrrwhztYAC/iWpmumSm101tMGJs+OvcAIxnPObXUtG4RdODp1rJu4zbemnaIti6OYWQHz aJYF9U0H6OjvwqQhOTizguwV19SPB0M= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-693-3V3FyyZyMi6_6IaMXo6ocw-1; Fri, 02 Aug 2024 11:55:42 -0400 X-MC-Unique: 3V3FyyZyMi6_6IaMXo6ocw-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D08A81955EB7; Fri, 2 Aug 2024 15:55:39 +0000 (UTC) Received: from t14s.redhat.com (unknown [10.39.192.113]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 90DD4300018D; Fri, 2 Aug 2024 15:55:33 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-fsdevel@vger.kernel.org, David Hildenbrand , Andrew Morton , "Matthew Wilcox (Oracle)" , Jonathan Corbet , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Sven Schnelle , Gerald Schaefer Subject: [PATCH v1 01/11] mm: provide vm_normal_(page|folio)_pmd() with CONFIG_PGTABLE_HAS_HUGE_LEAVES Date: Fri, 2 Aug 2024 17:55:14 +0200 Message-ID: <20240802155524.517137-2-david@redhat.com> In-Reply-To: <20240802155524.517137-1-david@redhat.com> References: <20240802155524.517137-1-david@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 We want to make use of vm_normal_page_pmd() in generic page table walking code where we might walk hugetlb folios that are mapped by PMDs even without CONFIG_TRANSPARENT_HUGEPAGE. So let's expose vm_normal_page_pmd() + vm_normal_folio_pmd() with CONFIG_PGTABLE_HAS_HUGE_LEAVES. Signed-off-by: David Hildenbrand --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory.c b/mm/memory.c index 4c8716cb306c..29772beb3275 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -666,7 +666,7 @@ struct folio *vm_normal_folio(struct vm_area_struct *vma, unsigned long addr, return NULL; } -#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#ifdef CONFIG_PGTABLE_HAS_HUGE_LEAVES struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t pmd) {