Re: [RFC] Tracking mlocked pages and moving them off the LRU

[Christoph Lameter]

On Mon, 5 Feb 2007, Matt Mackall wrote:

> 2) lazy accounting - the same as above, with the work all moved to the
> LRU sweep
> 3) accounting with an extra page flag - still needs to scan VMAs on munmap
> 
> Christoph seems to prefer the third.

No I am saying that 2 requires 3 to work reliably. The patch I posted last 
night does 2 but the approach needs page flag in order to work 
correctly.

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