Re: Populating multiple ptes at fault time

[MinChan Kim]

On Fri, Sep 19, 2008 at 6:32 AM, Christoph Lameter
<cl@xxxxxxxxxxxxxxxxxxxx> wrote:
> Martin Bligh wrote:
>
>>> Well, I guess we need a new binary format that allows one to execute binaries
>>> in kernel address space with full powers.
>>
>> Seems ... extreme ;-)
>
> Well yes ....
>
>> Maybe we just do it if we're in readahead? (or similar)
>
> If we are in kernel space then the binary can call the readahead function as
> needed ... ;-O

In case of file-mapped pages, Shouldn't we use just on-demand
readahead mechanism in kernel ?
If it is inefficient, It means we have to change on-demand readahead
mechanism itself.
How about you ?

> Ok, seriously: Anonymous pages are not subject to readahead so it wont work.
>
>
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-- 
Kinds regards,
MinChan Kim
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