Re: [PATCH v3 31/40] mm/vma: introduce vma[_flags]_is_persistent()

From: David Hildenbrand (Arm)

Date: Fri Oct 02 2026 - 03:01:05 EST


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