[POWERPC] Fix possible division by zero in scaled time accounting

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If we get no user time and no system time allocated since the last
account_system_vtime, the system to user time ratio estimate can end
up dividing by zero.

This was causing a problem noticed by Balbir Singh.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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Michael Neuling 2007-11-20 15:18:40 +11:00 • committed by Paul Mackerras

parent c443acab2e

commit 2b46b5673c

1 changed files with 3 additions and 2 deletions

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arch/powerpc/kernel/time.c

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