On Fri, 2014-01-17 at 05:29 +0100, Hannes Frederic Sowa wrote:
> Also I doubt the performance drop for SLAB will be that massive. Also it was
> already replaced by SLUB as the default SLAB allocator, which doesn't use
> reciprocal_divide.
Google servers use SLAB, not SLUB, for various reasons, an
On Thu, Jan 16, 2014 at 06:33:37PM -0800, Eric Dumazet wrote:
> On Fri, 2014-01-17 at 01:28 +0100, Hannes Frederic Sowa wrote:
> > Jakub Zawadzki noticed that some divisions by reciprocal_divide()
> > were not correct [1][2], which he could also show with BPF code after
> > divisions are transforme
On Fri, 2014-01-17 at 01:28 +0100, Hannes Frederic Sowa wrote:
> Jakub Zawadzki noticed that some divisions by reciprocal_divide()
> were not correct [1][2], which he could also show with BPF code after
> divisions are transformed into reciprocal_value() for runtime invariant
> which can be passed
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