From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 014AD170A1B for ; Tue, 28 Jan 2025 00:10:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738023024; cv=none; b=eI/6A9Xr+QMPTE685okPN2IrxTbSG7zxpF2ryM/9XkU65jqeX68e/uxzEXe6PGi3kjUwqkHlzjRo+d8HvutMcZwNProErBX6EB6UghGAVfAV9D3RydmC9dMS5dmvl6BRZ0vqDY1QggfQkB1AIn19J5gGeaG4Mvkp8zV5e3pBh54= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738023024; c=relaxed/simple; bh=fSPDXLL9g3xalYN8sdDwwM38VFws7etPzcpZPW+NDqU=; h=Date:To:From:Subject:Message-Id; b=RgH4EIS69FKtULvmM5BsIaNWM1NHoVU2kIB7dhvWYL10QiFEOrX8zCJq3s4McS7Keh283eJkLwRg7xK12O2tLbvaLOK2WwV6qHP3DK+k+CqT0MsddbqsJyQqf63ITtC7nrniy4dahUUMb8LclCN+anI2Ye6/aTGCS4qmAMKKn5I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=ekVv9uLL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="ekVv9uLL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B44EAC4CED2; Tue, 28 Jan 2025 00:10:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1738023023; bh=fSPDXLL9g3xalYN8sdDwwM38VFws7etPzcpZPW+NDqU=; h=Date:To:From:Subject:From; b=ekVv9uLLFIjSyrQKcKpYCvvcNZ0IOCHWKEJ+tqBl2KU8l/Jhle018T2R4+W2aGXqi 0Oio8CUu3K6C2XffNupa9eSv1o51x8HXs2J+lhwkAsrLQ5++Lr7JHDnt6nFX6vGii/ vhGFhA7M35a5I4FhpP4GF23C3BvSgt+SYAQo7RMM= Date: Mon, 27 Jan 2025 16:10:23 -0800 To: mm-commits@vger.kernel.org,yuzhao@google.com,yaozhenguo1@gmail.com,usama.arif@bytedance.com,rppt@kernel.org,roman.gushchin@linux.dev,peterz@infradead.org,muchun.song@linux.dev,mpe@ellerman.id.au,maddy@linux.ibm.com,luto@kernel.org,joao.m.martins@oracle.com,hca@linux.ibm.com,gor@linux.ibm.com,dave.hansen@linux.intel.com,agordeev@linux.ibm.com,fvdl@google.com,akpm@linux-foundation.org From: Andrew Morton Subject: + x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch added to mm-unstable branch Message-Id: <20250128001023.B44EAC4CED2@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: x86/mm: set ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT has been added to the -mm mm-unstable branch. Its filename is x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Frank van der Linden Subject: x86/mm: set ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT Date: Mon, 27 Jan 2025 23:22:02 +0000 Now that hugetlb bootmem pages are allocated earlier, and available for section preinit (HVO-style), set ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT for x86_64, so that is can be done. This enables pre-HVO on x86_64. Link: https://lkml.kernel.org/r/20250127232207.3888640-23-fvdl@google.com Signed-off-by: Frank van der Linden Cc: Alexander Gordeev Cc: Andy Lutomirski Cc: Dave Hansen Cc: Heiko Carstens Cc: Joao Martins Cc: Madhavan Srinivasan Cc: Michael Ellerman Cc: Mike Rapoport Cc: Muchun Song Cc: Peter Zijlstra Cc: Roman Gushchin (Cruise) Cc: Usama Arif Cc: Vasily Gorbik Cc: Yu Zhao Cc: Zhenguo Yao Signed-off-by: Andrew Morton --- arch/x86/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/Kconfig~x86-mm-set-arch_want_sparsemem_vmemmap_preinit +++ a/arch/x86/Kconfig @@ -146,6 +146,7 @@ config X86 select ARCH_WANT_LD_ORPHAN_WARN select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP if X86_64 select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP if X86_64 + select ARCH_WANT_SPARSEMEM_VMEMMAP_PREINIT if X86_64 select ARCH_WANTS_THP_SWAP if X86_64 select ARCH_HAS_PARANOID_L1D_FLUSH select BUILDTIME_TABLE_SORT _ Patches currently in -mm which might be from fvdl@google.com are mm-cma-export-total-and-free-number-of-pages-for-cma-areas.patch mm-cma-support-multiple-contiguous-ranges-if-requested.patch mm-cma-introduce-cma_intersects-function.patch mm-hugetlb-use-cma_declare_contiguous_multi.patch mm-hugetlb-fix-round-robin-bootmem-allocation.patch mm-hugetlb-remove-redundant-__clearpagereserved.patch mm-hugetlb-use-online-nodes-for-bootmem-allocation.patch mm-hugetlb-convert-cmdline-parameters-from-setup-to-early.patch x86-mm-make-register_page_bootmem_memmap-handle-pte-mappings.patch mm-bootmem_info-export-register_page_bootmem_memmap.patch mm-sparse-allow-for-alternate-vmemmap-section-init-at-boot.patch mm-hugetlb-set-migratetype-for-bootmem-folios.patch mm-define-__init_reserved_page_zone-function.patch mm-hugetlb-check-bootmem-pages-for-zone-intersections.patch mm-sparse-add-vmemmap__hvo-functions.patch mm-hugetlb-deal-with-multiple-calls-to-hugetlb_bootmem_alloc.patch mm-hugetlb-move-huge_boot_pages-list-init-to-hugetlb_bootmem_alloc.patch mm-hugetlb-add-pre-hvo-framework.patch mm-hugetlb_vmemmap-fix-hugetlb_vmemmap_restore_folios-definition.patch mm-hugetlb-do-pre-hvo-for-bootmem-allocated-pages.patch x86-setup-call-hugetlb_bootmem_alloc-early.patch x86-mm-set-arch_want_sparsemem_vmemmap_preinit.patch mm-cma-simplify-zone-intersection-check.patch mm-cma-introduce-a-cma-validate-function.patch mm-cma-introduce-interface-for-early-reservations.patch mm-hugetlb-add-hugetlb_cma_only-cmdline-option.patch mm-hugetlb-enable-bootmem-allocation-from-cma-areas.patch