Re: [PATCH 02/12] mm: supporting variables and functions forbalanced zone aging

[Andrew Morton]

Wu Fengguang <wfg@xxxxxxxxxxxxxxxx> wrote:
>
>  First we run into a large range of pinned chunks, which lowered the scan
>  priority.  And then there are plenty of reclaimable chunks, bomb...

It doesn't have to be that complex - the unreclaimable pages could be
referenced, or under writeback or even simply dirty.
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