From nobody Fri Dec 19 21:27:54 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 562C51D86FF for ; Mon, 31 Mar 2025 08:14:08 +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=1743408849; cv=none; b=Lp+Ue6KQ53KRAfqEfoSU8pHTrLulJZi5EmFyznscCuql1TJQrEhz1VywP7rCaezq1ZGRLYMzRVyqW8+XrorD2zGJ8oV9FdnP4U6rtO0cOucHEp3KwxutB4pmNXrMdjqj2+BmTIjA4ylTn4vkDIeBjWIMo+pMntjNDTkMorasbAE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743408849; c=relaxed/simple; bh=KudWMVHRlgaYmmxW7ze9gtxkeRaW2ruu2MZ2Lcgfx10=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=Zzs9VcXBTr8AsmdAwMDBgEXuZRpda5k7vDKiCJEwVWcJf+tC6M3vyJeCIZkef5lfUgkRweOcRnmXVfIDk/lmmeny5ZaWu2y3Kw9zyLtT9EiktHAJ7I/B8riH92Mag1K0o1XXs0S9mPE6FJV2WJkUFHt4rE8gAq0dy2MuJO67Wjo= 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=PyuLshPz; 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="PyuLshPz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1743408847; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OLa+87RL1ZqH7qyvR+sAYoFO3JtN0cQjwozLl9C4JYM=; b=PyuLshPzsB3w6edsyIIijX1ybNgTL26gjv0qp/ywQgiDXXd0s1W97srMnM0HtK8L0f3vtk egVUjJakNK4oFlsRf7/AVW0H0SnJEbkFRJxN8x6qJhd7xRMiazrG7s/EElYW0hWmdzSFma iTWMxxlw/+JGb4tBh750GONPPQr0qvY= 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-516-21WSEHhDPMuuTzpdv--LEg-1; Mon, 31 Mar 2025 04:14:05 -0400 X-MC-Unique: 21WSEHhDPMuuTzpdv--LEg-1 X-Mimecast-MFC-AGG-ID: 21WSEHhDPMuuTzpdv--LEg_1743408844 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (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 ADC0D1800260; Mon, 31 Mar 2025 08:14:04 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.9]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id A6EF81955BF1; Mon, 31 Mar 2025 08:14:01 +0000 (UTC) From: Baoquan He To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, yanjun.zhu@linux.dev, Baoquan He Subject: [PATCH v2 7/7] mm/pgtable: remove unneeded pgd_devmap() Date: Mon, 31 Mar 2025 16:13:27 +0800 Message-ID: <20250331081327.256412-8-bhe@redhat.com> In-Reply-To: <20250331081327.256412-1-bhe@redhat.com> References: <20250331081327.256412-1-bhe@redhat.com> 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 10.30.177.40 Content-Type: text/plain; charset="utf-8" There's no user of pgd_devmap() now, remove it from all ARCH-es and linux/pgtable.h. Signed-off-by: Baoquan He --- arch/arm64/include/asm/pgtable.h | 5 ----- arch/loongarch/include/asm/pgtable.h | 1 - arch/powerpc/include/asm/book3s/64/pgtable.h | 5 ----- arch/riscv/include/asm/pgtable-64.h | 5 ----- arch/x86/include/asm/pgtable.h | 5 ----- include/linux/pgtable.h | 4 ---- 6 files changed, 25 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgta= ble.h index 84f05f781a70..e0cab581edc9 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1230,11 +1230,6 @@ static inline int pud_devmap(pud_t pud) { return 0; } - -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif =20 #ifdef CONFIG_PAGE_TABLE_CHECK diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/= asm/pgtable.h index da346733a1da..d9b04296d9f5 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -615,7 +615,6 @@ static inline long pmd_protnone(pmd_t pmd) =20 #ifdef CONFIG_TRANSPARENT_HUGEPAGE #define pud_devmap(pud) (0) -#define pgd_devmap(pgd) (0) #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ =20 /* diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/in= clude/asm/book3s/64/pgtable.h index 6d98e6f08d4d..0da1c8d7f778 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -1405,11 +1405,6 @@ static inline int pud_devmap(pud_t pud) { return pte_devmap(pud_pte(pud)); } - -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ =20 #define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/p= gtable-64.h index 0897dd99ab8d..c6da4c8354a3 100644 --- a/arch/riscv/include/asm/pgtable-64.h +++ b/arch/riscv/include/asm/pgtable-64.h @@ -411,11 +411,6 @@ static inline int pud_devmap(pud_t pud) { return 0; } - -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif =20 #endif /* _ASM_RISCV_PGTABLE_64_H */ diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 5ddba366d3b4..3d6e78af525a 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -361,11 +361,6 @@ static inline pud_t pud_mkspecial(pud_t pud) return pud_set_flags(pud, _PAGE_SPECIAL); } #endif /* CONFIG_ARCH_SUPPORTS_PUD_PFNMAP */ - -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ =20 diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 94d267d02372..9d2dd5f71443 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1615,10 +1615,6 @@ static inline int pud_devmap(pud_t pud) { return 0; } -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif =20 #if !defined(CONFIG_TRANSPARENT_HUGEPAGE) || \ --=20 2.41.0