Re: [patch 0/6] mm: alloc_percpu and bigrefs

[Ravikiran G Thirumalai <kiran@scalex86.org>]

On Fri, Sep 23, 2005 at 05:06:36PM +0530, Dipankar Sarma wrote:
> On Fri, Sep 23, 2005 at 06:11:30PM +1000, Rusty Russell wrote:
> > On Fri, 2005-09-23 at 00:17 -0700, David S. Miller wrote:
> > Now, that said, I wanted (and wrote, way back when) a far simpler
> > allocator which only worked for GFP_KERNEL and used the same
> > __per_cpu_offset[] to fixup dynamic per-cpu ptrs as static ones.  Maybe
> > not as "complete" as this one, but maybe less offensive.
> 
> The GFP_ATOMIC support stuff is needed only for dst entries. However
> using per-cpu refcounters in such objects like dentries and dst entries
> are problematic and that is why I hadn't tried changing those.
> Some of the earlier versions of the allocator were simpler and I think
> we need to roll this back and do some more analysis. No GFP_ATOMIC
> support, no early use. I haven't got around to look at this 

The patches I have submitted this time does not have GFP_ATOMIC support. The
early use enablement stuff are in seperate patches  (patch 5 and 6).  The
patchset would work without these two patches too.

Thanks,
Kiran