Messages in this thread | | | Date | Wed, 22 Jun 2011 13:45:14 +0800 | From | Cong Wang <> | Subject | Re: [PATCH v2 1/4] mm: completely disable THP by transparent_hugepage=0 |
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于 2011年06月22日 11:24, David Rientjes 写道: > On Wed, 22 Jun 2011, Cong 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. >> >> https://lkml.org/lkml/2011/6/20/506 >> > > If you're proposing a patch for a specific purpose, it's appropriate to > include that in the changelog.
Sorry, I can't put everything you don't see into the changelog.
> > But now that I know what you're proposing this for, it's an easy NACK: > transparent_hugepage=0 has no significant benefit over > transparent_hugepage=never for kdump because the memory savings is > negligible.
I hate to repeat things, sorry, please go for the other thread where I replied to Andrea.
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