Is that TLB contains only entries for a single process?

Question

Is that TLB contains only entries for a single process? So the page table in the following line from wiki is belongs to certain process, which is maintained by operating system?

The CPU's memory management unit (MMU) stores a cache of recently used mappings from the operating system's page table.

Confab

Answer 1

This is entirely system specific. Some processors store a process ID with cache entries (multiple processes in the cache). Other processors require a cache flush with a process change (on process in the cache).

Rowlandson