KAMEZAWA Hiroyuki wrote:

quoted text
> Can I make a question ? (I'm working for memory cgroup.)

>

> Now, we do charge to anonymous page when

>   - charge(+1) when it's mapped firstly (mapcount 0->1)

>   - uncharge(-1) it's fully unmapped (mapcount 1->0) vir page_remove_rmap().

>

> My quesion is

>  - PageKSM pages are not necessary to be tracked by memory cgroup ?

>  - Can we know that "the page is just replaced and we don't necessary to do

>    charge/uncharge".

>  - annonymous page from KSM is worth to be tracked by memory cgroup ?

>    (IOW, it's on LRU and can be swapped-out ?)

>   

My feeling is that shared pages should be accounted as if they were not

shared; that is, a share page should be accounted for each process that

shares it.  Perhaps sharing within a cgroup should be counted as 1 page

for all the ptes pointing to it.
--

error compiling committee.c: too many arguments to function
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