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Re: TLB Question

Hi...

On 2/5/08, sahlot arvind <asahlot@xxxxxxxxx> wrote:

> TLB entries are filled by H/W and not explicitly by kernel. Whenever MMU
> translates VA to PA it caches that translation into TLB. If TLB is full then
> MMU uses its own algorithms to replace some entry in TLB e.g. MMU might
> consider TLB as circular buffer and replace first entry once TLB is full.

AFAIK, by using certain instructions...you can manually insert
entry/entries to TLB. Same thing to deleting TLB entries. This kind of
technique is used for example on security related software such as
PaX/grsecurity

regards,

Mulyadi.

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