On Wed, 2009-06-10 at 17:52 +0200, Johannes Berg wrote:
> On Wed, 2009-06-10 at 18:49 +0300, Pekka Enberg wrote:
> > On Wed, 2009-06-10 at 18:44 +0300, Pekka Enberg wrote:
> >
> > > Aha, SLUB thinks the minimum order for 4096 is 1. I guess you have
> > > CONFIG_SLUB_DEBUG enabled? If yes, something like to following should
> > > help. Christoph, are you okay with this patch?
>
>
> > + if ((size + MAX_DEBUG_SIZE) >= PAGE_SIZE)
>
> && size <= PAGE_SIZE
>
> ? Or is this a path that only happens for small allocations?
Anything that's beyond PAGE_SIZE * 2 is passed straight to the page
allocator and the intent of this patch is to disable debugging for all
big caches like SLAB does.
Pekka
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