Jesper Juhl wrote:
There are two expressions in kernel/sched.c that are always false since
they test for <0 but the result of the expression is unsigned so they will
never be less than zero. This patch implement the logic that I believe is
intended without the signedness issue and without the nasty casts.
<disclaimer>patch is compile tested only</disclaimer>
This is not *quite* the intended behaviour. It is OK for prev->timestamp
to be '0 - a bit' and now to be '0 + a bit' in the case of wrapping.
Although considering they're 64-bit values, I'm not sure how much we care.
--
SUSE Labs, Novell Inc.
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