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SubjectRe: [rfc 18/45] cpu alloc: XFS counters
On Tue, Nov 20, 2007 at 12:38:29PM -0800, Christoph Lameter wrote:
> On Tue, 20 Nov 2007, Christoph Hellwig wrote:
> > On Mon, Nov 19, 2007 at 05:11:50PM -0800, wrote:
> > > Also remove the useless zeroing after allocation. Allocpercpu already
> > > zeroed the objects.
> >
> > You still haven't answered my comment to the last iteration.
> And you have not read the discussion on that subject in the prior
> iteration between Peter Zilkstra and me.

Seeing as I didn't notice this patchest changed XFS (where's the cc?)
until I saw hch's question I'd appreciate a pointer to that discussion
as it's long been deleted from my mailbox.

FWIW, I happen to agree with Christoph (hch) that the shouting
macros are an ugly step backwards, esp. given that is replacing:

#define per_cpu_ptr(ptr, cpu) percpu_ptr((ptr), (cpu))

a set of lowercase macros....

Dave Chinner
Principal Engineer
SGI Australian Software Group
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