[Devel] Re: [RFC][PATCH 4/7] RSS accounting hooks over the code

[Dave Hansen]

On Mon, 2007-03-12 at 19:23 +0300, Kirill Korotaev wrote:
> 
> For these you essentially need per-container page->_mapcount counter,
> otherwise you can't detect whether rss group still has the page in question being mapped
> in its processes' address spaces or not. 

What do you mean by this?  You can always tell whether a process has a
particular page mapped.  Could you explain the issue a bit more.  I'm
not sure I get it.

-- Dave

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