Re: [PATCH v2 1/4] mm: completely disable THP by transparent_hugepage=0

[Cong Wang]

ä 2011å06æ21æ 21:30, Andrea Arcangeli åé:
> On Tue, Jun 21, 2011 at 04:10:42PM +0800, Amerigo Wang wrote:
> > Introduce "transparent_hugepage=0" to totally disable THP.
> > "transparent_hugepage=never" means setting THP to be partially
> > disabled, we need a new way to totally disable it.
>
> I think I already clarified this is not worth it. Removing sysfs
> registration is just pointless. If you really want to save ~8k of RAM,
> at most you can try to move the init of the khugepaged slots hash and
> the kmem_cache_init to the khugepaged deamon start but even that isn't
> so useful. Not registering into sysfs is just pointless and it's a
> gratuitous loss of a feature.

Sorry, I replied to you in the other thread, so I don't want to dup
it here.

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