On Thu, Mar 24, 2011 at 4:28 PM, KOSAKI Motohiro
[off-list ref] wrote:

quoted

quoted

For example, In 4G desktop system.
32M full scanning and fail to reclaim a page.
It's under 1% coverage.

?? I'm sorry. I haven't catch it.
Where 32M come from?

(1<<12) * 4K + (1<<11) + 4K + .. (1 << 0) + 4K in shrink_zones.

(lru-pages>>12) + (lru-pages>>11) + (lru-pages>>10) ... =~ 2 * lru-page 

?



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