From nobody Wed Feb 11 07:07:35 2026 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 9247B5FDD4 for ; Wed, 6 Mar 2024 10:43:30 +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=1709721813; cv=none; b=WS3OqoKGJUC4Zm2V59U72bHJVEtrj+dt3M7qNARpbdMCTaOB2KHW4ldyuDacl3jcBtV02gD7lYvac7P5zLcblgBKNQ+qTiHk9CSbELnvxD9DupHuVFi6bITTbu2HlTxRashSjZJPi2ueykLPUaNo4hdUSNM7JMKqCbg7LFt1OUE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709721813; c=relaxed/simple; bh=1AOoamXcuacx71meTjn7bLO8VLc0lsCwheV0GNk8lTI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=E7FV/WJFNLF8ar+zTrU/tZFDPxK04FWf1+ORpq3dYpBbTzmJSJArFPAjIbM24sWUDHJ4RGk1S1gD8yDqWWMxsDiIDEp81klq5MwnUBKbQ6RQH3ei34BPQUMy1MmKfIirOeEayv71+B/gJhB7nkwnZt7AK5vYkDvAhSQRWqTySJQ= 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=OJQue2x9; 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="OJQue2x9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1709721809; 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=NvhYOoORCLpxz/No1Zw0ldOZIymUNMLffxfrF8V0mdw=; b=OJQue2x9sfWqeg2mVYJt3BZsKIaMzg6IOJNRmSnBx+tSSQfh6zWxGA74Jm1dMjz0lT/AlW rDEACp5fnzl+A6UjOoedkWptUCQytijkchpW+eef7GM3RLDXqYtCVVpo1lxZ3gs0N65bZ0 M/WZQeIJ2B9GE6unpgHDzlqB1B0kE1o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-461-M8jx121_PeO5YuMfMxkl1g-1; Wed, 06 Mar 2024 05:43:24 -0500 X-MC-Unique: M8jx121_PeO5YuMfMxkl1g-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (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 mimecast-mx02.redhat.com (Postfix) with ESMTPS id 32C3C800262; Wed, 6 Mar 2024 10:43:24 +0000 (UTC) Received: from x1n.redhat.com (unknown [10.72.116.8]) by smtp.corp.redhat.com (Postfix) with ESMTP id E5593111DD03; Wed, 6 Mar 2024 10:43:17 +0000 (UTC) From: peterx@redhat.com To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org, Andrew Morton , Muchun Song , Jason Gunthorpe , peterx@redhat.com, Matthew Wilcox , Mike Rapoport , Christophe Leroy , x86@kernel.org, sparclinux@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH RFC 11/13] mm/treewide: Replace pXd_huge() with pXd_leaf() Date: Wed, 6 Mar 2024 18:41:45 +0800 Message-ID: <20240306104147.193052-12-peterx@redhat.com> In-Reply-To: <20240306104147.193052-1-peterx@redhat.com> References: <20240306104147.193052-1-peterx@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 3.4.1 on 10.11.54.3 Content-Type: text/plain; charset="utf-8" From: Peter Xu Now after we're sure all pXd_huge() definitions are the same as pXd_leaf(), reuse it. Luckily, pXd_huge() isn't widely used. Signed-off-by: Peter Xu --- arch/arm/include/asm/pgtable-3level.h | 2 +- arch/arm64/include/asm/pgtable.h | 2 +- arch/arm64/mm/hugetlbpage.c | 4 ++-- arch/loongarch/mm/hugetlbpage.c | 2 +- arch/mips/mm/tlb-r4k.c | 2 +- arch/powerpc/mm/pgtable_64.c | 6 +++--- arch/x86/mm/pgtable.c | 4 ++-- mm/gup.c | 4 ++-- mm/hmm.c | 2 +- mm/memory.c | 2 +- 10 files changed, 15 insertions(+), 15 deletions(-) diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/p= gtable-3level.h index e7aecbef75c9..9e3c44f0aea2 100644 --- a/arch/arm/include/asm/pgtable-3level.h +++ b/arch/arm/include/asm/pgtable-3level.h @@ -190,7 +190,7 @@ static inline pte_t pte_mkspecial(pte_t pte) #define pmd_dirty(pmd) (pmd_isset((pmd), L_PMD_SECT_DIRTY)) =20 #define pmd_hugewillfault(pmd) (!pmd_young(pmd) || !pmd_write(pmd)) -#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) +#define pmd_thp_or_huge(pmd) (pmd_leaf(pmd) || pmd_trans_huge(pmd)) =20 #ifdef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_trans_huge(pmd) (pmd_val(pmd) && !pmd_table(pmd)) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgta= ble.h index 14d24c357c7a..c4efa47fed5f 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -512,7 +512,7 @@ static inline pmd_t pmd_mkinvalid(pmd_t pmd) return pmd; } =20 -#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) +#define pmd_thp_or_huge(pmd) (pmd_leaf(pmd) || pmd_trans_huge(pmd)) =20 #define pmd_write(pmd) pte_write(pmd_pte(pmd)) =20 diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 1234bbaef5bf..f494fc31201f 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -321,7 +321,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, if (sz !=3D PUD_SIZE && pud_none(pud)) return NULL; /* hugepage or swap? */ - if (pud_huge(pud) || !pud_present(pud)) + if (pud_leaf(pud) || !pud_present(pud)) return (pte_t *)pudp; /* table; check the next level */ =20 @@ -333,7 +333,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, if (!(sz =3D=3D PMD_SIZE || sz =3D=3D CONT_PMD_SIZE) && pmd_none(pmd)) return NULL; - if (pmd_huge(pmd) || !pmd_present(pmd)) + if (pmd_leaf(pmd) || !pmd_present(pmd)) return (pte_t *)pmdp; =20 if (sz =3D=3D CONT_PTE_SIZE) diff --git a/arch/loongarch/mm/hugetlbpage.c b/arch/loongarch/mm/hugetlbpag= e.c index 1e76fcb83093..a4e78e74aa21 100644 --- a/arch/loongarch/mm/hugetlbpage.c +++ b/arch/loongarch/mm/hugetlbpage.c @@ -64,7 +64,7 @@ uint64_t pmd_to_entrylo(unsigned long pmd_val) { uint64_t val; /* PMD as PTE. Must be huge page */ - if (!pmd_huge(__pmd(pmd_val))) + if (!pmd_leaf(__pmd(pmd_val))) panic("%s", __func__); =20 val =3D pmd_val ^ _PAGE_HUGE; diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index 4106084e57d7..76f3b9c0a9f0 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -326,7 +326,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned= long address, pte_t pte) idx =3D read_c0_index(); #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT /* this could be a huge page */ - if (pmd_huge(*pmdp)) { + if (pmd_leaf(*pmdp)) { unsigned long lo; write_c0_pagemask(PM_HUGE_MASK); ptep =3D (pte_t *)pmdp; diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 9b99113cb51a..6621cfc3baf8 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -102,7 +102,7 @@ struct page *p4d_page(p4d_t p4d) { if (p4d_leaf(p4d)) { if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP)) - VM_WARN_ON(!p4d_huge(p4d)); + VM_WARN_ON(!p4d_leaf(p4d)); return pte_page(p4d_pte(p4d)); } return virt_to_page(p4d_pgtable(p4d)); @@ -113,7 +113,7 @@ struct page *pud_page(pud_t pud) { if (pud_leaf(pud)) { if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP)) - VM_WARN_ON(!pud_huge(pud)); + VM_WARN_ON(!pud_leaf(pud)); return pte_page(pud_pte(pud)); } return virt_to_page(pud_pgtable(pud)); @@ -132,7 +132,7 @@ struct page *pmd_page(pmd_t pmd) * enabled so these checks can't be used. */ if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP)) - VM_WARN_ON(!(pmd_leaf(pmd) || pmd_huge(pmd))); + VM_WARN_ON(!pmd_leaf(pmd)); return pte_page(pmd_pte(pmd)); } return virt_to_page(pmd_page_vaddr(pmd)); diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index ff690ddc2334..d74f0814e086 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -731,7 +731,7 @@ int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t= prot) return 0; =20 /* Bail out if we are we on a populated non-leaf entry: */ - if (pud_present(*pud) && !pud_huge(*pud)) + if (pud_present(*pud) && !pud_leaf(*pud)) return 0; =20 set_pte((pte_t *)pud, pfn_pte( @@ -760,7 +760,7 @@ int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t= prot) } =20 /* Bail out if we are we on a populated non-leaf entry: */ - if (pmd_present(*pmd) && !pmd_huge(*pmd)) + if (pmd_present(*pmd) && !pmd_leaf(*pmd)) return 0; =20 set_pte((pte_t *)pmd, pfn_pte( diff --git a/mm/gup.c b/mm/gup.c index de7188d2af86..9c0bc9d49c32 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -778,7 +778,7 @@ static struct page *follow_p4d_mask(struct vm_area_stru= ct *vma, p4d =3D READ_ONCE(*p4dp); if (p4d_none(p4d) || !p4d_present(p4d)) return no_page_table(vma, flags); - BUILD_BUG_ON(p4d_huge(p4d)); + BUILD_BUG_ON(p4d_leaf(p4d)); if (unlikely(p4d_bad(p4d))) return no_page_table(vma, flags); =20 @@ -3070,7 +3070,7 @@ static int gup_p4d_range(pgd_t *pgdp, pgd_t pgd, unsi= gned long addr, unsigned lo next =3D p4d_addr_end(addr, end); if (p4d_none(p4d) || !p4d_present(p4d)) return 0; - BUILD_BUG_ON(p4d_huge(p4d)); + BUILD_BUG_ON(p4d_leaf(p4d)); if (unlikely(is_hugepd(__hugepd(p4d_val(p4d))))) { if (!gup_huge_pd(__hugepd(p4d_val(p4d)), addr, P4D_SHIFT, next, flags, pages, nr)) diff --git a/mm/hmm.c b/mm/hmm.c index c44391a0246e..3b526c529b55 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -429,7 +429,7 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long = start, unsigned long end, return hmm_vma_walk_hole(start, end, -1, walk); } =20 - if (pud_huge(pud) && pud_devmap(pud)) { + if (pud_leaf(pud) && pud_devmap(pud)) { unsigned long i, npages, pfn; unsigned int required_fault; unsigned long *hmm_pfns; diff --git a/mm/memory.c b/mm/memory.c index e17669d4f72f..96562053be9c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2763,7 +2763,7 @@ static int apply_to_pmd_range(struct mm_struct *mm, p= ud_t *pud, unsigned long next; int err =3D 0; =20 - BUG_ON(pud_huge(*pud)); + BUG_ON(pud_leaf(*pud)); =20 if (create) { pmd =3D pmd_alloc_track(mm, pud, addr, mask); --=20 2.44.0