rattus 410df27253 Fix interoperation with external source of pinned memory pressure (#14252) ...

* mm: split off registration helper to doer and headroom calc

* pinned_memory: implement registration comfy side

Move away from Aimdo buffer registrations which seem fraught with
danger and do it comfy side. Just start with the basic move.

* pinned_memory: do registrations as portable memory

* pinned_memory: discard async errors on registration fail

Like the good ol days.

* pinned_memory: implement abs shortfall retry

If pinned registration happens to fail despite the previous budget
ensures, consider the allocation shortfall, ensure it again, and
try again. This allows comfy pins to interoperate with other software
that might be doing substantive pinning.

2026-06-05 08:39:35 -07:00

4.0 KiB

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