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 AF09843E078 for ; Tue, 1 Sep 2026 03:13:31 +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=1788232413; cv=none; b=oQf97BXlUnl9Zd0kmTduu5emo+2lNLICovJD4NSgdh2bzEpPBp7PeE49Ra715iVYnbaSINQLsoUn4hgKgM7f7SNkf7gUjhFOKVLgRCaHpsXntlYx++/nEjL0eBF2L5TKsOe4X/kTXMeA/wwE7wfbmQRsVrUHdY/YIekFqGwWBfg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788232413; c=relaxed/simple; bh=fllwW39kdUIFiI8dLb1EwgHE5lb7la7tdBmXdWvCsU8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fzH3FbCRR3mHbgJYyD1srHi5xA4+5emqqkCQI7rt6KIyZjJBq0VDmwAvSqcRbTSYdRn4gjw5qAIoyO7JTQJOH5IamiBSbGlqybsf5+3MCFYikmRAA87IjVw8dj8A7mgZxaxZUKPgYSS8btxWDx4Fq2rwtVd9BU2rZXCKP4GHsoA= 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=A89+cN3Z; 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="A89+cN3Z" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1788232410; 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=kTRmmRqhPEEdzIyvqBzqpo/dsWefXC0sTAvXgcanp6w=; b=A89+cN3ZJVVXLjzZ1l6S6/IKk7+BYdmrafYM6hDazL+S1faji6FpZ4ieCSP4QouC28BaVB 1M0kaX4Q7lVn5jYU5NsO1XF0tXxjSgCxNoBvFaswemvh5hFtMGUXE0/U7d9MTCILCgt4Pe uha7cdQzYgYx3MizDkuCWn84pHgXYT8= Received: from mx-prod-mc-06.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-62-4vqw-M50OOqPm7vL5KfHpA-1; Mon, 31 Aug 2026 23:13:24 -0400 X-MC-Unique: 4vqw-M50OOqPm7vL5KfHpA-1 X-Mimecast-MFC-AGG-ID: 4vqw-M50OOqPm7vL5KfHpA_1788232401 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (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-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 62DD1185FBE9; Tue, 1 Sep 2026 03:13:21 +0000 (UTC) Received: from fedora.redhat.corp (headnet05.pony-001.prod.iad2.dc.redhat.com [10.2.32.117]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id E45CF18005B8; Tue, 1 Sep 2026 03:13:17 +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 v7 10/14] mips: move has_transparent_hugepage() out of THP guard Date: Mon, 31 Aug 2026 23:12:14 -0400 Message-ID: <371e2d3a7bcac265ac748ad3c67b74abfa238422.1788232334.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: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 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/mips/include/asm/pgtable.h | 6 +++--- arch/mips/mm/tlb-r4k.c | 4 ---- 2 files changed, 3 insertions(+), 7 deletions(-) diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index fa7b935f947c..b038da872ec6 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -615,9 +615,6 @@ unsigned long io_remap_pfn_range_pfn(unsigned long pfn, unsigned long size); /* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/ #define pmdp_establish generic_pmdp_establish -#define has_transparent_hugepage has_transparent_hugepage -extern int has_transparent_hugepage(void); - static inline int pmd_trans_huge(pmd_t pmd) { return !!(pmd_val(pmd) & _PAGE_HUGE); @@ -743,6 +740,9 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ +#define has_transparent_hugepage has_transparent_hugepage +extern int has_transparent_hugepage(void); + #ifdef _PAGE_HUGE #define pmd_leaf(pmd) ((pmd_val(pmd) & _PAGE_HUGE) != 0) #define pud_leaf(pud) ((pud_val(pud) & _PAGE_HUGE) != 0) diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 24fe85fa169d..f4e369342a56 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -432,8 +432,6 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1, #endif } -#ifdef CONFIG_TRANSPARENT_HUGEPAGE - int has_transparent_hugepage(void) { static unsigned int mask = -1; @@ -452,8 +450,6 @@ int has_transparent_hugepage(void) } EXPORT_SYMBOL(has_transparent_hugepage); -#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ - /* * Used for loading TLB entries before trap_init() has started, when we * don't actually want to add a wired entry which remains throughout the -- 2.55.0