From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org
Cc: Mark Rutland <mark.rutland@arm.com>,
Michal Hocko <mhocko@suse.com>,
linux-ia64@vger.kernel.org, David Hildenbrand <david@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Palmer Dabbelt <palmer@sifive.com>,
Will Deacon <will.deacon@arm.com>,
linux-riscv@lists.infradead.org,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, "Matthew Wilcox \(Oracle\)" <willy@infradead.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Ingo Molnar <mingo@redhat.com>, Fenghua Yu <fenghua.yu@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Pavel Tatashin <pasha.tatashin@soleen.com>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Andy Lutomirski <luto@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Dan Williams <dan.j.williams@intel.com>,
linux-arm-kernel@lists.infradead.org,
Tony Luck <tony.luck@intel.com>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [RFC V2 0/2] arm64: Enable vmemmap mapping from device memory
Date: Mon, 21 Oct 2019 10:40:14 +0530 [thread overview]
Message-ID: <1571634616-28863-1-git-send-email-anshuman.khandual@arm.com> (raw)
This series enables vmemmap backing memory allocation from device memory
ranges on arm64. But before that, it enables vmemmap_populate_basepages()
to accommodate struct vmem_altmap based requests.
This applies alongside arm64 memory hot remove (v10) on next-20191018.
https://lkml.org/lkml/2019/10/11/232
Changes in RFC V2:
- Changed the commit message on 1/2 patch per Will
- Changed the commit message on 2/2 patch as well
- Rebased on arm64 memory hot remove series (v10)
RFC V1: (https://lkml.org/lkml/2019/6/28/32)
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-ia64@vger.kernel.org
Cc: linux-riscv@lists.infradead.org
Cc: x86@kernel.org
Cc: linux-kernel@vger.kernel.org
Anshuman Khandual (2):
mm/sparsemem: Enable vmem_altmap support in vmemmap_populate_basepages()
arm64/mm: Enable vmem_altmap support for vmemmap mappings
arch/arm64/mm/mmu.c | 58 +++++++++++++++++++++++++++-------------
arch/ia64/mm/discontig.c | 2 +-
arch/riscv/mm/init.c | 2 +-
arch/x86/mm/init_64.c | 6 ++---
include/linux/mm.h | 5 ++--
mm/sparse-vmemmap.c | 16 +++++++----
6 files changed, 59 insertions(+), 30 deletions(-)
--
2.20.1
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next reply other threads:[~2019-10-21 5:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-21 5:10 Anshuman Khandual [this message]
2019-10-21 5:10 ` [RFC V2 1/2] mm/sparsemem: Enable vmem_altmap support in vmemmap_populate_basepages() Anshuman Khandual
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