Re: [PATCH v3 05/10] vmscan: make isolate_lru_page with filter aware

[Mel Gorman]

On Tue, Jun 07, 2011 at 11:38:18PM +0900, Minchan Kim wrote:
> In __zone_reclaim case, we don't want to shrink mapped page.
> Nonetheless, we have isolated mapped page and re-add it into
> LRU's head. It's unnecessary CPU overhead and makes LRU churning.
> 

Gack, I should have keep reading. I didn't cop from the subject that
__zone_reclaim would be updated. Still, it would have been easier to
review if one patch introduced ISOLATE_CLEAN and updated the callers and
this patch introduced ISOLATE_UNMAPPED and updated the relevant callers.

> <SNIP>

-- 
Mel Gorman
SUSE Labs
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