Messages in this thread | | | Subject | Re: [RFC] Using "page credits" as a solution for common thrashing scenarios | From | Andi Kleen <> | Date | Tue, 24 Nov 2009 22:15:29 +0100 |
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Eyal Lotem <eyal.lotem@gmail.com> writes:
Replying to an old email.
> * I think it is wrong for the kernel to evict the 15 pages of the bash, > xterm, X server's working set, as an example, in order for a > misbehaving process to have 1000015 instead of 1000000 pages in its > working set. EVEN if that misbehaving process is accessing its working > set far more aggressively.
One problem in practice tends to be that it's hard to realiably detect that a process is misbehaving. The 1000000 page process might be your critical database, while the 15 page process is something very unimportant.
-Andi
-- ak@linux.intel.com -- Speaking for myself only.
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