Re: RFC: Easy-Reclaimable LRU list

[Rik van Riel]

On 06/23/2012 12:45 AM, Kamezawa Hiroyuki wrote:

> I think this is interesting approach. Major concern is how to guarantee
> EReclaimable
> pages are really EReclaimable...Do you have any idea ? madviced pages
> are really EReclaimable ?

I suspect the EReclaimable pages can only be clean page
cache pages that are not mapped by any processes.

Once somebody tries to use the page, mark_page_accessed
will move it to another list.

> A (very) small concern is will you use one more page-flags for this ? ;)

This could be an issue on a 32 bit system, true.

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