Messages in this thread | | | Date | Wed, 2 May 2007 13:17:42 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] CFS scheduler, -v8 |
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* Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> The problem is with comparing a s64 values with (s64)ULONG_MAX, which > evaluates to -1. Then we check if exec_delta64 and fair_delta64 are > greater than (s64)ULONG_MAX (-1), if so we assign (s64)ULONG_MAX to > the respective values.
ah, indeed ...
> The fix is to compare these values against (s64)LONG_MAX and assign > (s64)LONG_MAX to exec_delta64 and fair_delta64 if they are greater > than (s64)LONG_MAX. > > Tested on PowerPC, the regression is gone, tasks are load balanced as > they were in v7.
thanks, applied!
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