On Feb 7, 2005, at 4:35 PM, Benjamin Herrenschmidt wrote:
Interesting... more than no swap, you must also make sure you have no
r/w mmap'ed file (which are technically equivalent to swap).
Yeah, I kinda had a similar thought. Just because you aren't
swapping doesn't mean the VM subsystem isn't looking at dirty bits,
too. It could potentially steal a page that it thinks can be replaced
from either a zero-fill or reading again from persistent storage.
-- Dan