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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-15 14:56:10 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-15 14:56:19 +0100 |
| commit | c3e0ef9a298e028a82ada28101ccd5cf64d209ee (patch) | |
| tree | 6a03a5df3e33ccdfda9b0794eef364afe36211f6 /drivers/macintosh/rack-meter.c | |
| parent | [S390] cputime: add sparse checking and cleanup (diff) | |
| download | linux-c3e0ef9a298e028a82ada28101ccd5cf64d209ee.tar.xz linux-c3e0ef9a298e028a82ada28101ccd5cf64d209ee.zip | |
[S390] fix cputime overflow in uptime_proc_show
For 32-bit architectures using standard jiffies the idletime calculation
in uptime_proc_show will quickly overflow. It takes (2^32 / HZ) seconds
of idle-time, or e.g. 12.45 days with no load on a quad-core with HZ=1000.
Switch to 64-bit calculations.
Cc: stable@vger.kernel.org
Cc: Michael Abbott <michael.abbott@diamond.ac.uk>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/macintosh/rack-meter.c')
0 files changed, 0 insertions, 0 deletions