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SubjectRe: [patch 8/9] mm: thrash detection-based file cache sizing
On Tue,  6 Aug 2013 18:44:09 -0400 Johannes Weiner <hannes@cmpxchg.org> wrote:

> To accomplish this, a per-zone counter is increased every time a page
> is evicted and a snapshot of that counter is stored as shadow entry in
> the page's now empty page cache radix tree slot.

How do you handle wraparound of that counter on 32-bit machines?


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