What is tlb

For this purpose operating system creates a page table that contains all the page table entries. Free table entry contains important information about the pages. Some of this important information is as follows;. Page table entry contains the information about the important bits like a dirty bit, protection bit, valid and invalid bits. If an operating system wants to search a page from the main memory, then the operating system simply searches the page from the page table entry.

Page table entry works as a map for locating the pages. The page table is located inside the CPU. The page table is located outside the CPU. The speed of registers is very fast. If CPU wants to get the page table Entry from the registers, then resistors can provide the page table entry with good speed.

The size of the registers is very small and it is very difficult to manage the big processes in the small registers. The cache is big in size as compared to the registers, so the cache can handle big processes page table entries. If CPU wants to access the page table Entry from the cache, then the speed of the cache is slow as compared to the registers. The size of the register is very small so it is not a good approach to store the Page table entry in registers. Reinforcement Learning. R Programming.

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