From mboxrd@z Thu Jan 1 00:00:00 1970 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 044C53B0AF5 for ; Fri, 18 Sep 2026 01:47:04 +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=1789696034; cv=none; b=fHxxvizU3F7RUUZTc57JWMmDSA8adkk7piS9dAkClrrJ9lWUr0/B/Dc3SCAMAR0kvoQZ3KdWLJIsgRxlxXfEqqiC+7FuQvekTuzyUhhB5h+333xe6SnzmYzQOsv/emUd6kQCFbyREhcYSIc0JfXGiRnHhR2Hp7gxf5U3xr2SG6M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789696034; c=relaxed/simple; bh=6NGF+72oRrxsj+T5MAPFjuRbTYNd1OWx/cv3AIx+k1Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=k4X2pcpEcx7MCnj09wpmpdfsSJGSAwEBRsDPMRkiGDsXmBKDBHKRkOUJkC4Olziu4lngm/hgaAtHHOqSLir/b/qczf/rYbzwdITVNtuwM8fpRiObTLkqR8CpLUWgtxYu6Ia7ij0vf5BIlQWhyFjGiHvpT7hXMl1K8hCXDTnXXuE= 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=aPyeJiNs; 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="aPyeJiNs" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1789696018; 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=rrTuOGC0ZZQ6xfwNevyROwK/DQ0EXDFg6sIlh7G6Yxk=; b=aPyeJiNsGcjLOY5UIXEUdbrttzuFgNQh/mP8Eci4cWlvP2WygJ6CjnLmPYCK1992F2x3My uC3yk2wAhT2xL1uR00HLN+Kc05ZJtXWmXTAOqpb5X1AiFcIfivn03PaqEEh/JqzlIYs010 fiLfl9D5fI6ngBcofe2Ky3PgNCgG3sM= 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-414-8fUCrc4nMma3PteMWBX0ew-1; Thu, 17 Sep 2026 21:46:53 -0400 X-MC-Unique: 8fUCrc4nMma3PteMWBX0ew-1 X-Mimecast-MFC-AGG-ID: 8fUCrc4nMma3PteMWBX0ew_1789696010 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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 657EE187A5F1; Fri, 18 Sep 2026 01:46:50 +0000 (UTC) Received: from lcapitul-thinkpadt14gen3.rmtcaqc.csb (headnet05.pony-001.prod.iad2.dc.redhat.com [10.2.32.117]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id D2D13180034C; Fri, 18 Sep 2026 01:46:46 +0000 (UTC) From: Luiz Capitulino To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, david@kernel.org, baolin.wang@linux.alibaba.com, ziy@nvidia.com, lance.yang@linux.dev Cc: corbet@lwn.net, tsbogend@alpha.franken.de, maddy@linux.ibm.com, mpe@ellerman.id.au, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, x86@kernel.org, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, hughd@google.com, dave.hansen@linux.intel.com, djbw@kernel.org, vishal.l.verma@intel.com, dave.jiang@intel.com, akpm@linux-foundation.org, yintirui@huawei.com, dev.jain@arm.com, usama.arif@linux.dev Subject: [PATCH v8 11/14] x86: move has_transparent_hugepage() out of THP guard Date: Thu, 17 Sep 2026 21:45:32 -0400 Message-ID: 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: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 A future commit will introduce a kernel API to allow for checking if the CPU supports PMD-sized pages. This API will be based on the has_transparent_hugepage() implementation but will be orthogonal to THP and therefore must work when CONFIG_TRANSPARENT_HUGEPAGE=n. Move its definition out of the THP guard. Signed-off-by: Luiz Capitulino --- arch/x86/include/asm/pgtable.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index d551120a7c88..f46c1b502eb1 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -306,12 +306,6 @@ static inline int pud_trans_huge(pud_t pud) } #endif -#define has_transparent_hugepage has_transparent_hugepage -static inline int has_transparent_hugepage(void) -{ - return boot_cpu_has(X86_FEATURE_PSE); -} - #ifdef CONFIG_ARCH_SUPPORTS_PMD_PFNMAP static inline bool pmd_special(pmd_t pmd) { @@ -337,6 +331,12 @@ static inline pud_t pud_mkspecial(pud_t pud) #endif /* CONFIG_ARCH_SUPPORTS_PUD_PFNMAP */ #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ +#define has_transparent_hugepage has_transparent_hugepage +static inline int has_transparent_hugepage(void) +{ + return boot_cpu_has(X86_FEATURE_PSE); +} + static inline pte_t pte_set_flags(pte_t pte, pteval_t set) { pteval_t v = native_pte_val(pte); -- 2.55.0