Re: [PATCH 4/4] mm: introduce no_ksm to disable totally KSM

[Cong Wang]

ä 2011å06æ21æ 21:32, Andrea Arcangeli åé:
> On Tue, Jun 21, 2011 at 04:10:45PM +0800, Amerigo Wang wrote:
> > Introduce a new kernel parameter "no_ksm" to totally disable KSM.
>
> Here as well this is the wrong approach. If you want to save memory,
> you should make ksmd quit when run=0 and start only when setting
> ksm/run=1. And move the daemon hashes and slabs initializations to the
> ksmd daemon start. Not registering in sysfs and crippling down the
> feature despite you loaded the proper .text into memory isn't good.

1. Not only about saving memory, as I explained in other thread.

2. Recompiling kernel is not always acceptable, as I replied in other thread.
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