Re: [PATCH 0/2] Synchronous Lumpy Reclaim V3

2007-08-02 Thread Peter Zijlstra
On Thu, 2007-08-02 at 19:17 +0100, Andy Whitcroft wrote: > [This is a re-spin based on feedback from akpm.] > > As pointed out by Mel when reclaim is applied at higher orders a > significant amount of IO may be started. As this takes finite time > to drain reclaim will consider more areas than ul

[PATCH 0/2] Synchronous Lumpy Reclaim V3

2007-08-02 Thread Andy Whitcroft
[This is a re-spin based on feedback from akpm.] As pointed out by Mel when reclaim is applied at higher orders a significant amount of IO may be started. As this takes finite time to drain reclaim will consider more areas than ultimatly needed to satisfy the request. This leads to more reclaim