On Mon, 7 Sep 2026 16:13:30 +0800 Ye Liu <[email protected]> wrote: > From: Ye Liu <[email protected]> > > Replace the manual rcu_read_lock()/rcu_read_unlock() pairs combined > with for_each_process() loop in mm/memory-failure.c with > for_each_process_rculock(), which scopes the RCU read lock to the > loop body via scoped_guard(rcu). > > In collect_procs_file(), the page_pgoff() call now falls outside the > RCU read-side critical section. This is safe because page_pgoff() > only reads folio->index and does not traverse any RCU-protected > structures.
Thank you for clarifying :) > > Signed-off-by: Ye Liu <[email protected]> > Acked-by: Michal Hocko <[email protected]> > Acked-by: Miaohe Lin <[email protected]> Reviewed-by: SJ Park <[email protected]> Thanks, SJ [...]
