diff options
| author | Miaohe Lin <[email protected]> | 2021-05-04 18:37:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-05-05 11:27:24 -0700 |
| commit | 34f5e9b9d1990d286199084efa752530ee3d8297 (patch) | |
| tree | c96e57aff6271963cb84a2e5954af7f49dff41e6 /tools/perf/scripts/python | |
| parent | a04840c6841bb266c38f51adc87325308ab8d575 (diff) | |
mm/migrate.c: fix potential indeterminate pte entry in migrate_vma_insert_page()
If the zone device page does not belong to un-addressable device memory,
the variable entry will be uninitialized and lead to indeterminate pte
entry ultimately. Fix this unexpected case and warn about it.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: df6ad69838fc ("mm/device-public-memory: device memory cache coherent with CPU")
Signed-off-by: Miaohe Lin <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Cc: Alistair Popple <[email protected]>
Cc: Jerome Glisse <[email protected]>
Cc: Rafael Aquini <[email protected]>
Cc: Yang Shi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions