| commit | f303fe862f2b5685d0f0bf56150c678dcef636a1 | [log] [tgz] |
|---|---|---|
| author | Adrian Danis <adanis@fuchsia.infra.roller.google.com> | Tue Feb 25 16:01:33 2025 -0800 |
| committer | Copybara-Service <copybara-worker@google.com> | Tue Feb 25 16:02:43 2025 -0800 |
| tree | 2089731bf71389d75a6afec5addef09f6578bbbe | |
| parent | 6171b4cbd16d6da417bcda4a028b79d299aeeb00 [diff] |
[roll] Roll fuchsia [kernel][vm] Simplify range change reasoning Moves the range change update in ZeroPagesLocked out of the if into the main body of the method. Guarding the range change by the if is correct, since if can_decommit_zero_pages is false we will not be able to remove any pages or otherwise modify the page list in a way that would require a range change update, but this correctness is subtle. Given that performing a zero range on a contiguous vmo is a very uncommon operation, performing an additional unmap in this case is worth the additional clarity. Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1213765 Original-Revision: ea22eb6d45454e45e8106044e4a91d5fed73bd41 GitOrigin-RevId: 939739f7efad1a8769403545304d1da1c65a272a Change-Id: Iae16c9607877d9fdf52291cf294638bc2399dcde
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