Messages in this thread | | | Date | Sun, 27 Dec 2009 14:14:38 -0800 | From | Dmitry Torokhov <> | Subject | Re: [PATCH] [6/6] kfifo: Document everywhere that size has to be power of two |
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On Sun, Dec 27, 2009 at 10:50:32PM +0100, Stefani Seibold wrote: > Am Sonntag, den 27.12.2009, 22:03 +0100 schrieb Andi Kleen: > > On my first try using them I missed that the fifos need to > > be power of two, resulting in a runtime bug. Document that requirement > > everywhere (and fix one grammar bug) > > > > Signed-off-by: Andi Kleen <ak@linux.intel.com> > > > > Acked: Stefani Seibold <Stefani@Seibold.net> >
Now, does it really _have_ to be this way? For record-oriented FIFO's it is customary to be 2*pow(n)*sizeof(rec) which is rarely 2*pow(m).
-- Dmitry
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