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SubjectRe: [PATCH 0/3] Fix malloc() stall in zone_reclaim() and bring behaviour more in line with expectations V3
On Tue, 16 Jun 2009, Mel Gorman wrote:

> I don't have a particular workload in mind to be perfectly honest. I'm just not
> convinced of the wisdom of trying to unmap pages by default in zone_reclaim()
> just because the NUMA distances happen to be large.

zone reclaim = 1 is supposed to be light weight with minimal impact. The
intend was just to remove potentially unused pagecache pages so that node
local allocations can succeed again. So lets not unmap pages.



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