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SubjectRe: [PATCH] NOMMU: Pages allocated to a ramfs inode's pagecache may get wrongly discarded
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> Hi, Kosaki-san. 
>
> I think ramfs pages's unevictablility should not depend on CONFIG_UNEVICTABLE_LRU.
> It would be better to remove dependency of CONFIG_UNEVICTABLE_LRU ?
>
> How about this ?
> It's just RFC. It's not tested.
>
> That's because we can't reclaim that pages regardless of whether there is unevictable list or not

maybe, your patch work.

but we can remove CONFIG_UNEVICTABLE_LRU build option itself completely
after nommu folks confirmed CONFIG_UNEVICTABLE_LRU works well on their machine

it is more cleaner IMHO.
What do you think?





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