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memory-managementoperating-systemtlb

Is that TLB contains only entries for a single process?

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.

Solution

  • 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).