Re: [PATCH 2/8] thp, mm: avoid PageUnevictable on active/inactivelru lists

[Dave Hansen]

On 06/11/2013 08:35 AM, Kirill A. Shutemov wrote:
> active/inactive lru lists can contain unevicable pages (i.e. ramfs pages
> that have been placed on the LRU lists when first allocated), but these
> pages must not have PageUnevictable set - otherwise shrink_[in]active_list
> goes crazy:

I think it's also important here to note if this is a bug that can be
hit _currently_, or if this really is just a preparatory patch for
transparent huge page cache.

>From what I can see, this is _needed_ preparatory work, but it can also
stand on its own because it simplifies things.  It should go in sooner
rather than later.
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