On Mon, Sep 07, 2026 at 04:13:30PM +0800, Ye Liu 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. > > Signed-off-by: Ye Liu <[email protected]> > Acked-by: Michal Hocko <[email protected]> > Acked-by: Miaohe Lin <[email protected]>
Reviewed-by: Gregory Price (Meta) <[email protected]>
