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由 Stanislaw Gruszka 提交于
We have 32-bit variable overflow possibility when multiply in task_times() and thread_group_times() functions. When the overflow happens then the scaled utime value becomes erroneously small and the scaled stime becomes i erroneously big. Reported here: https://bugzilla.redhat.com/show_bug.cgi?id=633037 https://bugzilla.kernel.org/show_bug.cgi?id=16559Reported-by: NMichael Chapman <redhat-bugzilla@very.puzzling.org> Reported-by: NCiriaco Garcia de Celis <sysman@etherpilot.com> Signed-off-by: NStanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: NPeter Zijlstra <a.p.zijlstra@chello.nl> Cc: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: <stable@kernel.org> # 2.6.32.19+ (partially) and 2.6.33+ LKML-Reference: <20100914143513.GB8415@redhat.com> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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