Ye Liu 7eeed888c9 mm/page_owner: add MR_NEVER to enum migrate_reason and use it for last_migrate_reason ...

The last_migrate_reason field uses -1 as a sentinel value to mean "no
migration has happened".  Replace the four bare -1 occurrences by adding a
proper MR_NEVER member to enum migrate_reason, defining a corresponding
"never_migrated" string in the MIGRATE_REASON trace macro, and updating
the GDB page_owner script to use MR_NEVER instead of the hardcoded -1 so
that lx-dump-page-owner does not incorrectly report unmigrated pages as
migrated.

No functional change.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: Ye Liu <[email protected]>
Reviewed-by: Zi Yan <[email protected]>
Reviewed-by: Vlastimil Babka (SUSE) <[email protected]>
Cc: Brendan Jackman <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: David Hildenbrand (Arm) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

2026-07-28 21:11:50 -07:00

..

linux

mm/page_owner: add MR_NEVER to enum migrate_reason and use it for last_migrate_reason

2026-07-28 21:11:50 -07:00

Makefile

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21 10:50:46 +02:00

vmlinux-gdb.py

scripts/gdb: add 'lx-kasan_mem_to_shadow' command

2024-09-01 20:43:29 -07:00