This option is an alternative to kernel_cache. Instead of unconditionally keeping cached data, the cached data is invalidated on open(2) if if the modification time or the size of the file has changed since it was last opened.
See Implementation
This option is an alternative to kernel_cache. Instead of unconditionally keeping cached data, the cached data is invalidated on open(2) if if the modification time or the size of the file has changed since it was last opened.