Assembler:Commands:INVLPG

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command invlpg address

Invalidates (flushes) the translation lookaside buffer (TLB) entry specified with the source operand.


Invalidates (flushes) the translation lookaside buffer (TLB) entry specified with the source operand. The source operand is a memory address. The processor determines the page that contains that address and flushes the TLB entry for that page.

The INVLPG instruction is a privileged instruction. When the processor is running in protected mode, the CPL of a program or procedure must be 0 to execute this instruction.

The INVLPG instruction normally flushes the TLB entry only for the specified page; however, in some cases, it flushes the entire TLB. See "MOV-Move to/from Control Registers" in this chapter for further information on operations that flush the TLB.


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[edit] Command Parameters

Parameter Description
address The memory address to flush


[edit] See also

[edit] External links

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