WordPress at a glance
action is not described

clean_page_cache action-hook . WP 2.5.0

Fires immediately after the given page's cache is cleaned.

Usage

add_action( 'clean_page_cache', 'action_function_name_4595' );
function action_function_name_4595( $post_id ){
	// action...
}
$post_id(int)
Post ID.

Where the hook is called

clean_post_cache()
wp-includes/post.php 6064
do_action( 'clean_page_cache', $post->ID );

Where the hook is used (in WP core)

Does not used.