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author | Suresh Siddha <suresh.b.siddha@intel.com> | 2007-09-05 08:32:48 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2007-09-05 08:32:48 -0400 |
commit | 7fd0d2dde929ead79901e389e70dbfb3c6c06986 (patch) | |
tree | 577c4626e1e6f1de79e41deaeea6699261c873aa /Kbuild | |
parent | b21010ed6498391c0f359f2a89c907533fe07fec (diff) |
sched: fix MC/HT scheduler optimization, without breaking the FUZZ logic.
First fix the check
if (*imbalance + SCHED_LOAD_SCALE_FUZZ < busiest_load_per_task)
with this
if (*imbalance < busiest_load_per_task)
As the current check is always false for nice 0 tasks (as
SCHED_LOAD_SCALE_FUZZ is same as busiest_load_per_task for nice 0
tasks).
With the above change, imbalance was getting reset to 0 in the corner
case condition, making the FUZZ logic fail. Fix it by not corrupting the
imbalance and change the imbalance, only when it finds that the HT/MC
optimization is needed.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions