> @@ -1627,8 +1627,18 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes,
> start = i;
> } else if (node != current_node) {
> err = do_move_pages_to_node(mm, &pagelist, current_node);
> - if (err)
> + if (err) {
> + /*
> + * Possitive err means the number of failed
"positive"
> + * pages to migrate. Since we are going to
> + * abort and return the number of non-migrated
> + * pages, so need incude the rest of the
"need to include"
> + * nr_pages that have not attempted as well.
"have not been attempted"
> @@ -1674,6 +1687,13 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes,
>
> /* Make sure we do not overwrite the existing error */
> err1 = do_move_pages_to_node(mm, &pagelist, current_node);
> + /*
> + * Don't have to report non-attempted pages here since:
> + * - If the above loop is done gracefully there is not non-attempted
"all pages have been attempted"
> + * page.
> + * - If the above loop is aborted to it means more fatal error
s/to// s/more/a/
> + * happened, should return err.
> + */
I'd also be tempted to rename "err" to "ret" since it has meanings beyond
"error" now.
