[roll] Roll fuchsia [kernel][vm] Clean up signature of ZeroPages*Locked

Return the number of zeroed bytes instead of using an out parameter.
Make both ZeroPages*Locked methods accept a VmCowRange.

VmCowRange has clearer semantics than separate start and end pointers.
Separate (uint64_t, uint64_t) can be confused for (start, length) and
(start, last page).

We return ktl::pair<zx_status_t, int type> elsewhere, including in
VmObjectPaged::ReadWriteInternal. This pattern reinforces that the
returned int type is still meaningful even if status != ZX_OK.

These changes anticipate the addition of more special-case
ZeroPages*Locked methods.

Original-Bug: 423017076
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1411448
Original-Revision: 360b2f048ea40b4a1d59d09dbd100d7e4d93159e
GitOrigin-RevId: 134bfc3a6061c224e5fd16397801804b48e46a6d
Change-Id: Id1413ea906da765289814c1a61a395f9af4da1a7
1 file changed
tree: 87fcf8b52718eff9d637ec2d872d5dddca1379f1
  1. ctf/
  2. git-hooks/
  3. infra/
  4. third_party/
  5. flower
  6. jiri.lock
  7. MILESTONE
  8. minimal
  9. prebuilts
  10. README.md
  11. stem
  12. test_durations
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.