Re: [RFC] - Some notions that I would like comments on

Jamie Lokier (lkd@tantalophile.demon.co.uk)
Wed, 14 Jul 1999 01:52:41 +0200


Carl Mummert wrote:
> Page faults occur for 4k blocks, which provides readahead for
> sequential access of memory regions.

I'm not quite sure what you mean. That faulting at the beginning of a
page reads in the next 4k automatically?

That's not the same as asynchronous readahead. For that the kernel
continually guesses when you're going to need data in advance and reads
it in the background before you do.

-- Jamie

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