于 2011年06月21日 21:30, Andrea Arcangeli 写道:
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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