[roll] Roll fuchsia [kernel][vm] Remove attribution cache

Removes the attribution cache out of the VmObject and VmMapping. The
corresponding generation counters can also be removed, as their purpose
was purely to track cache invalidation.

Aside from the significant memory savings of removing the cache, its
need for a centralized generation count for invalidation does not map
to a fine grained locking model.

Current products do not gain much benefit from the attribution cache at
this point, and removing is a minor performance regression. A different
cache can be rebuilt in the future if needed.

Original-Bug: 338300943
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1183495
Original-Revision: 196c96a184aeb2e3a766f4cd250a7073536a9acc
GitOrigin-RevId: 2e8846c7021e678ee737874fb88ee19fd47e09e3
Change-Id: I4ce611ca7541a6aa4c04b223deb41f50488bf35c
1 file changed
tree: 478dde53f1d2d5303311a38482631a6535545ae9
  1. ctf/
  2. git-hooks/
  3. infra/
  4. third_party/
  5. cts
  6. firmware
  7. flower
  8. jiri.lock
  9. MILESTONE
  10. minimal
  11. prebuilts
  12. README.md
  13. stem
  14. test_durations
  15. toolchain
README.md

Integration

This repository contains Fuchsia's Global Integration manifest files.

Making changes

All changes should be made to the internal version of this repository. Our infrastructure automatically updates this version when the internal one changes.

Currently all changes must be made by a Google employee. Non-Google employees wishing to make a change can ask for assistance in one of the communication channels documented at get involved.

Obtaining the source

First install Jiri.

Next run:

$ jiri init
$ jiri import minimal https://fuchsia.googlesource.com/integration
$ jiri update

Third party

Third party projects should have their own subdirectory in ./third_party.