On 10/17/07, Rik van Riel <[email protected]> wrote:
> On Wed, 17 Oct 2007 16:49:07 -0400
> "Lee Revell" <[email protected]> wrote:
>
> > Sorry to ask this question on the list but I've Googled and found
> > nothing.
> >
> > Is system V shared memory accounted for as Cached, or as normal
> > application memory?
>
> Cached.
>
> Shared memory segments basically are tmpfs files.
Thanks!
Are there any plans to track it separately in a future kernel release?
I've also noticed that if huge pages are used for the shared memory,
they are not accounted for as cached - I have a 56GB huge page pool
but cached is only 6GB. Is this behavior specific to huge pages?
Finally, are these quirks documented anywhere?
Lee
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