On 06/18/2012 05:10 PM, Wanpeng Li wrote:
From: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx>
move_charge_at_immigrate feature is disabled by default. Charges
are moved only when you move mm->owner and it also add additional
overhead.
How big is this overhead?
That's hardly a fast path. And if it happens to matter, it will be just
bigger when you enable it, and the compiler start giving the wrong hints
to the code.
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