Re: [PATCH v3 31/40] mm/vma: introduce vma[_flags]_is_persistent()
flat view
From: "David Hildenbrand (Arm)" <david@kernel.org>
Date: 2026-10-02 07:00:33
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bpf, fuse-devel, kvm, kvm-riscv, kvmarm, linux-arch, linux-doc, linux-fbdev, linux-fsdevel, linux-mm, linux-perf-users, linux-rdma, linux-riscv, linux-s390, linux-scsi, linux-sound, linux-usb, linuxppc-dev, lkml, selinux, sparclinux
On 9/17/26 18:22, Lorenzo Stoakes (ARM) wrote:
Introduce vma[_flags]_is_persistent() for the purposes of identifying mappings that are persistent in the sense that bytes to the mapping stay there, and bytes read from the mapping are the same unless changed by actions taken by userland.
That's extremely confusing, sorry. We have to find a better name for that. Is this really all about user pages (pagecache, anon) that we would find through the rmap? -- Cheers, David