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SubjectRe: [RFC][PATCH 2/9] mm: slub: abstract out double cmpxchg option
On Tue, 14 Jan 2014, Dave Hansen wrote:

> On 01/14/2014 11:49 AM, Christoph Lameter wrote:
> > On Tue, 14 Jan 2014, Dave Hansen wrote:
> >> I found this useful to have in my testing. I would like to have
> >> it available for a bit, at least until other folks have had a
> >> chance to do some testing with it.
> >
> > I dont really see the point of this patch since we already have
> > CONFIG_HAVE_ALIGNED_STRUCT_PAGE to play with.
>
> With the current code, if you wanted to turn off the double-cmpxchg abd
> get a 56-byte 'struct page' how would you do it? Can you do it with a
> .config, or do you need to hack the code?

Remove HAVE_ALIGNED_STRUCT_PAGE from a Kconfig file.



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