Subject	Direct Map Removal Support for guest_memfd
Author	kalyazin@amazon.co.uk
Date	2026-04-10 15:17:58 +0000 UTC
Version	Version 5 Version 6 Version 8 Version 9 Version 10 Version 11 Version 12
Cc	ackerleytng@google.com agordeev@linux.ibm.com ajones@ventanamicro.com akpm@linux-foundation.org alex@ghiti.fr andrii@kernel.org aou@eecs.berkeley.edu ast@kernel.org baolu.lu@linux.intel.com borntraeger@linux.ibm.com bp@alien8.de bpf@vger.kernel.org catalin.marinas@arm.com chenhuacai@kernel.org corbet@lwn.net coxu@redhat.com daniel@iogearbox.net dave.hansen@linux.intel.com david@kernel.org derekmn@amazon.com dev.jain@arm.com eddyz87@gmail.com gerald.schaefer@linux.ibm.com gor@linux.ibm.com haoluo@google.com hca@linux.ibm.com hpa@zytor.com itazur@amazon.co.uk jackabt@amazon.co.uk jackmanb@google.com jannh@google.com jgg@ziepe.ca jgross@suse.com jhubbard@nvidia.com jiayuan.chen@shopee.com jmattson@google.com joey.gouly@arm.com john.fastabend@gmail.com jolsa@kernel.org jthoughton@google.com kalyazin@amazon.co.uk kas@kernel.org kernel@xen0n.name kpsingh@kernel.org kvm@vger.kernel.org kvmarm@lists.linux.dev lenb@kernel.org liam.howlett@oracle.com linux-arm-kernel@lists.infradead.org linux-doc@vger.kernel.org

Patches (16)

Name	Content [All]
[PATCH v12 01/16] set_memory: set_direct_map_* to take address	[Body]
[PATCH v12 02/16] set_memory: add folio_{zap,restore}_direct_map helpers	[Body]
[PATCH v12 03/16] mm/secretmem: make use of folio_{zap,restore}_direct_map	[Body]
[PATCH v12 04/16] mm/gup: drop secretmem optimization from gup_fast_folio_allowed	[Body]
[PATCH v12 05/16] mm/gup: drop local variable in gup_fast_folio_allowed	[Body]
[PATCH v12 06/16] mm: introduce AS_NO_DIRECT_MAP	[Body]
[PATCH v12 07/16] KVM: guest_memfd: Add stub for kvm_arch_gmem_invalidate	[Body]
[PATCH v12 08/16] KVM: x86: define kvm_arch_gmem_supports_no_direct_map()	[Body]
[PATCH v12 09/16] KVM: arm64: define kvm_arch_gmem_supports_no_direct_map()	[Body]
[PATCH v12 10/16] KVM: guest_memfd: Add flag to remove from direct map	[Body]
[PATCH v12 11/16] KVM: selftests: load elf via bounce buffer	[Body]
[PATCH v12 12/16] KVM: selftests: set KVM_MEM_GUEST_MEMFD in vm_mem_add() if guest_memfd != -1	[Body]
[PATCH v12 13/16] KVM: selftests: Add guest_memfd based vm_mem_backing_src_types	[Body]
[PATCH v12 14/16] KVM: selftests: cover GUEST_MEMFD_FLAG_NO_DIRECT_MAP in existing selftests	[Body]
[PATCH v12 15/16] KVM: selftests: stuff vm_mem_backing_src_type into vm_shape	[Body]
[PATCH v12 16/16] KVM: selftests: Test guest execution from direct map removed gmem	[Body]

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