Subject: Re: page reuse while accessing files sequentially
To: <>
From: David Laight <david@l8s.co.uk>
List: tech-kern
Date: 06/04/2004 19:59:08 
> I don't know whether this actually works sufficiently well with the 
> current VM implementation and pmaps, but...
> 
> your backup program should mmap() the files to read and
> madvise(addr, len, MADV_SEQUENTIAL) them.

IIRC both MADV_SEQUENTIAL and MADV_RANDOM are noops.

	David

-- 
David Laight: david@l8s.co.uk