Re: kswapd in tight loop 2.6.9-rc3-bk-recent

[Andrew Morton]

Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
>
> -				if (zone->free_pages <= zone->pages_high) {
>  +				if (zone->free_pages < zone->pages_high) {

This is too subtle.  An open-coded test for non-zero ->present_pages is far
more readable and maintainable.

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