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


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