views_plugin_pager::has_more_records in core/modules/views/plugins/views_plugin_pager.inc

Determine if there are more records available.

views_plugin_pager_full::exposed_form_alter in core/modules/views/plugins/views_plugin_pager_full.inc

views_plugin_pager_full::get_pager_total in core/modules/views/plugins/views_plugin_pager_full.inc

views_plugin_pager_full::update_page_info in core/modules/views/plugins/views_plugin_pager_full.inc

Update global paging info.