On Wed, 11 Dec 2013, Joonsoo Kim wrote: > In do_move_pages(), if error occurs, 'goto out_pm' is executed and the > page status doesn't back to userspace. So we don't need to store err number.
If a page cannot be moved then the error code is containing the number of pages that could not be migrated. The check there is for err < 0. So a positive number is not an error. migrate_pages only returns an error code if we are running out of memory. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
