diff options
| author |  Yuyang Du <yuyang.du@intel.com>
| 2014-12-19 08:29:56 +0800 |
|---|---|---|
| committer |  Ingo Molnar <mingo@kernel.org>
| 2015-01-09 11:18:54 +0100 |
| commit | 32a8df4e0b33fccc9715213b382160415b5c4008 (patch) | |
| tree | 53e679c64d49f4a7dd1b23644c89517a391f7d33 /lib | |
| parent | sched, fanotify: Deal with nested sleeps (diff) | |
| download | linux-32a8df4e0b33f.tar.gz linux-32a8df4e0b33f.tar.bz2 linux-32a8df4e0b33f.zip | |
sched: Fix odd values in effective_load() calculations
In effective_load, we have (long w * unsigned long tg->shares) / long W,
when w is negative, it is cast to unsigned long and hence the product is
insanely large. Fix this by casting tg->shares to long.
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Yuyang Du <yuyang.du@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Dave Jones <davej@redhat.com>
Cc: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20141219002956.GA25405@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions