From nobody Fri Dec 19 18:55:55 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 9591F308F14 for ; Thu, 6 Nov 2025 21:29:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762464570; cv=none; b=cgb0SxKKSwzvkJa4Ue1fqKGUhX0uLdrQlwtQgu73ZJIoE3J8n6pmQiIKO8nVhJ45Iy73BknMg8cdZfk4b/F4p2SB1Nv7LnVSW3KFQtVVRt9eA8dj9kCbh0XdBPEwtwXJpn91ysZmRm856mkAwBi8E+Ea1E8hCKwUfPeertPfBEw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762464570; c=relaxed/simple; bh=mZUwhrSjct79OADXPPXT1Fv3AVXEy295G5720Wv1cGM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SWCGTz/BQbp+DDRJ1PlUFG1fDZNyAxLgW3TZ6BErgV5rPpESKppy+vbTDCvCs544oEjXXtcmAFdC1W0/s6zFLgmQd86Uhj/dk+b7jJnSfd5AjUzo7k46/b9kK22BB5VTrCgMS+CtOV+hVzZq7boYc2L0DsMOLtzJQKYfRCOzwJU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=KhlpPpYa; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="KhlpPpYa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1762464567; 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=+Q/SGZoDMzCFiE+HfvZvclHk/fNK+yt1scbMDujY49o=; b=KhlpPpYaeQvE91jwHABnQklOz25O6Bo0J/jM6Pom3kgvNcSzEkzN00Lmo31nURUmrWf0VQ oW9qjhulx7xSWx7n6UvxatijFsuPlw9hSe8Q4Q9aZBaet6qJr7zv2zSk4NfYijD+xL7V8h 7D7evLwP223apBGhA4nF/jeiDJO1byU= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-610-nUk9SCG5NVKVdyycDf4y2Q-1; Thu, 06 Nov 2025 16:29:24 -0500 X-MC-Unique: nUk9SCG5NVKVdyycDf4y2Q-1 X-Mimecast-MFC-AGG-ID: nUk9SCG5NVKVdyycDf4y2Q_1762464563 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 501C81800357; Thu, 6 Nov 2025 21:29:23 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.22.65.101]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 29FAE19560B2; Thu, 6 Nov 2025 21:29:22 +0000 (UTC) From: Luiz Capitulino To: david@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: ryan.roberts@arm.com, akpm@linux-foundation.org, lorenzo.stoakes@oracle.com Subject: [RFC 06/10] mm: debug_vm_pgtable: use pgtable_has_pmd_leaves() Date: Thu, 6 Nov 2025 16:28:53 -0500 Message-ID: <237bcb7f3d832457322210cc7f8d1272c4ac88ef.1762464515.git.luizcap@redhat.com> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Content-Type: text/plain; charset="utf-8" debug_vm_pgtable calls has_transparent_hugepage() in multiple places to check if PMD-sized pages are supported, use pgtable_has_pmd_leaves() instead. Signed-off-by: Luiz Capitulino --- mm/debug_vm_pgtable.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index 830107b6dd08..241b36c78ac9 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -170,7 +170,7 @@ static void __init pmd_basic_tests(struct pgtable_debug= _args *args, int idx) unsigned long val =3D idx, *ptr =3D &val; pmd_t pmd; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 pr_debug("Validating PMD basic (%pGv)\n", ptr); @@ -208,7 +208,7 @@ static void __init pmd_advanced_tests(struct pgtable_de= bug_args *args) pmd_t pmd; unsigned long vaddr =3D args->vaddr; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 page =3D (args->pmd_pfn !=3D ULONG_MAX) ? pfn_to_page(args->pmd_pfn) : NU= LL; @@ -269,7 +269,7 @@ static void __init pmd_leaf_tests(struct pgtable_debug_= args *args) { pmd_t pmd; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 pr_debug("Validating PMD leaf\n"); @@ -674,7 +674,7 @@ static void __init pmd_protnone_tests(struct pgtable_de= bug_args *args) if (!IS_ENABLED(CONFIG_NUMA_BALANCING)) return; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 pr_debug("Validating PMD protnone\n"); @@ -721,7 +721,7 @@ static void __init pmd_soft_dirty_tests(struct pgtable_= debug_args *args) if (!IS_ENABLED(CONFIG_MEM_SOFT_DIRTY)) return; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 pr_debug("Validating PMD soft dirty\n"); @@ -738,7 +738,7 @@ static void __init pmd_swap_soft_dirty_tests(struct pgt= able_debug_args *args) !IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION)) return; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 pr_debug("Validating PMD swap soft dirty\n"); @@ -801,7 +801,7 @@ static void __init pmd_swap_tests(struct pgtable_debug_= args *args) swp_entry_t arch_entry; pmd_t pmd1, pmd2; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 pr_debug("Validating PMD swap\n"); @@ -881,7 +881,7 @@ static void __init pmd_thp_tests(struct pgtable_debug_a= rgs *args) { pmd_t pmd; =20 - if (!has_transparent_hugepage()) + if (!pgtable_has_pmd_leaves()) return; =20 pr_debug("Validating PMD based THP\n"); @@ -968,7 +968,7 @@ static void __init destroy_args(struct pgtable_debug_ar= gs *args) } =20 if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && - has_transparent_hugepage() && + pgtable_has_pmd_leaves() && args->pmd_pfn !=3D ULONG_MAX) { if (args->is_contiguous_page) { free_contig_range(args->pmd_pfn, (1 << HPAGE_PMD_ORDER)); @@ -1226,7 +1226,7 @@ static int __init init_args(struct pgtable_debug_args= *args) } =20 if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && - has_transparent_hugepage()) { + pgtable_has_pmd_leaves()) { page =3D debug_vm_pgtable_alloc_huge_page(args, HPAGE_PMD_ORDER); if (page) { args->pmd_pfn =3D page_to_pfn(page); --=20 2.51.1