Re: Subtle MM bug

[Andrea Arcangeli]

On Wed, Jan 10, 2001 at 11:46:03AM +0000, David Woodhouse wrote:
> So the VM code spends a fair amount of time scanning lists of pages which 
> it really can't do anything about?

Yes.

> Would it be possible to put such pages on different list, so that the VM

Currently to unmap the other pages we have to waste time on those unfreeable
pages as well.

Once I or other developer finishes with the reverse lookup from page to
pte-chain (an implementation from DaveM just exists) we'll be able to put them
in a separate lru, but it's certainly not a 2.4.1-pre2 thing.

Andrea