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

From: David Rientjes
Date: Tue Jun 21 2011 - 21:17:29 EST

On Tue, 21 Jun 2011, 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.

Why can't you just compile it off so you never even compile
mm/huge_memory.c in the first place and save the space in the kernel image
as well? Having the interface available to enable the feature at runtime
is worth the savings this patch provides, in my opinion.
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