Re: [linux-pm] [PATCH] swsusp: simpler calculation of number of pages in PBE list
From: Pavel Machek
Date: Sat Jul 30 2005 - 08:15:31 EST
> > px >= n + x
> > or
> > (p-1)x >= n
> > or
> > x >= n / (p-1).
> > The obvious solution is
> > x = ceiling(n / (p-1)),
> > so calc_nr should return n + ceiling(n / (p-1)), which is exactly what
> > Michal's patch computes.
> Nice. :-)
> Could we perhaps add your proof to the Michal's patch as a comment,
> for reference?
No, thanks. It only proves that it is equivalent to old code, but says
nothing about quality of code, and we really do not want to keep old
teflon -- maybe it is a trademark, but it should not be.
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