Re: [00/41] Large Blocksize Support V7 (adds memmap support)

[Nick Piggin]

On Tuesday 18 September 2007 08:00, Christoph Lameter wrote:
> On Sun, 16 Sep 2007, Nick Piggin wrote:
> > I don't know how it would prevent fragmentation from building up
> > anyway. It's commonly the case that potentially unmovable objects
> > are allowed to fill up all of ram (dentries, inodes, etc).
>
> Not in 2.6.23 with ZONE_MOVABLE. Unmovable objects are not allocated from
> ZONE_MOVABLE and thus the memory that can be allocated for them is
> limited.

Why would ZONE_MOVABLE require that "movable objects should be moved
out of the way for unmovable ones"? It never _has_ any unmovable objects in
it. Quite obviously we were not talking about reserve zones.
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