KAMEZAWA Hiroyuki wrote:
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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