Rohit Seth wrote:
On Thu, 2006-08-17 at 01:22 +0100, Alan Cox wrote:
Ar Mer, 2006-08-16 am 12:15 -0700, ysgrifennodd Rohit Seth:
resources will be allocated/freed in context of a user process. And at
that time we know if a allocation should succeed or not. So we may
actually not need to track kernel pages that closely.
Quite the reverse, tracking kernel pages is critical,
Having the knowledge of how many kernel pages are getting used by each
container is indeed very useful. But as long as the context in which
they are created and destroyed is identifiable, there is no need to
really physically tag each page with container id. And for the cases
where we have no context, it will be worth while to see if mapping field
could be used.
as I described in another email this field is also reused for tracking
user pages.
Kirill
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