tree 39652f7d0065b24f0a191dff37ef8702ad3aedc6
parent 3cfc5e0cb87d613606146ce7336083796a62b302
author Rasha Eqbal <rashaeqbal@google.com> 1655939538 +0000
committer CQ Bot <fuchsia-internal-scoped@luci-project-accounts.iam.gserviceaccount.com> 1655939538 +0000

[kernel][vm] Syscall to query modified state

Add zx_pager_query_vmo_stats() that can be used to query pager-related
stats on a VMO. Currently only returns whether the VMO was modified
since the last zx_pager_query_vmo_stats() call.

Test: core-pager-writeback
Bug: 63989
Run-All-Tests: true
Change-Id: I461be1764690092c271a0c710fee0102110368b1
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/688663
Reviewed-by: Carlos Pizano <cpu@google.com>
Reviewed-by: Adrian Danis <adanis@google.com>
Commit-Queue: Rasha Eqbal <rashaeqbal@google.com>
API-Review: Carlos Pizano <cpu@google.com>