Re: [-mm][PATCH 1/10] fix UNEVICTABLE_LRU and !PROC_PAGE_MONITOR build

From: KOSAKI Motohiro
Date: Thu Jul 03 2008 - 04:18:38 EST


> > config UNEVICTABLE_LRU
> > bool "Add LRU list to track non-evictable pages"
> > default y
> > + select PAGE_WALKER
>
> So what do we do? Make UNEVICTABLE_LRU depend on CONFIG_MMU? That
> would be even worse than what we have now.

I'm not sure about what do we do. but I'd prefer "depends on MMU".
because current munlock implementation need pagewalker.
So, munlock rewriting have high risk rather than change depend on.

Rik, What do you think?



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