Re: clustering page-ins

Stephen C. Tweedie (sct@redhat.com)
Fri, 30 Jul 1999 01:11:23 +0100 (BST)


Hi,

On Thu, 29 Jul 1999 15:04:25 -0400 (EDT), Chuck Lever <cel@monkey.org> said:

> yes, since they are sharing the same file in the same page cache it
> would be silly to trigger read-ahead needlessly, even if it finds all the
> pages already in the page cache.

You have totally lost me. Given that each thread will share both the
vmas _and_ the page tables, multiple threads accesing the pages is
absolutely no different to one thread faulting pages in the same order.

--Stephen

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