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| author | Hongfu Li <lihongfu@kylinos.cn> | 2026-09-03 17:21:26 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-10-08 22:54:34 -0700 |
| commit | e1e86503027a00a843a77a0477899e5423c43a59 (patch) | |
| tree | 503aed1b91e401b476b6b4ff48d717d1f8ac3fc7 /include/linux | |
| parent | 600c820b8ee5016b8d2985c6181d002125062dc1 (diff) | |
| download | linux-e1e86503027a00a843a77a0477899e5423c43a59.tar.gz linux-e1e86503027a00a843a77a0477899e5423c43a59.zip | |
mm/page_owner: preserve original free_pid/free_tgid during folio migration
__update_page_owner_free_handle() accepts pid and tgid, but ignores them,
always storing current->pid and current->tgid.
__folio_copy_owner() forwards the original free pid/tgid during folio
migration, yet these values were overwritten by the migrating task.
Store the passed-in pid/tgid so the migrated folio keeps the original free
attribution.
Link: https://lore.kernel.org/20260903092126.24685-1-hongfu.li@linux.dev
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Cc: Brendan Jackman <brendan.jackman@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Zi Yan <ziy@nvidia.com>
Diffstat (limited to 'include/linux')
0 files changed, 0 insertions, 0 deletions