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| author | Peter Zijlstra <peterz@infradead.org> | 2018-11-02 14:22:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-11-04 00:40:03 +0100 |
| commit | 993f0b0510dad98b4e6e39506834dab0d13fd539 (patch) | |
| tree | a87e1227438aed493097db201463da1a95e4bdb5 | |
| parent | sched/rt: Update comment in pick_next_task_rt() (diff) | |
| download | linux-993f0b0510dad98b4e6e39506834dab0d13fd539.tar.xz linux-993f0b0510dad98b4e6e39506834dab0d13fd539.zip | |
sched/topology: Fix off by one bug
With the addition of the NUMA identity level, we increased @level by
one and will run off the end of the array in the distance sort loop.
Fixed: 051f3ca02e46 ("sched/topology: Introduce NUMA identity node sched domain")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | kernel/sched/topology.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 9d74371e4aad..8d7f15ba5916 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -1337,7 +1337,7 @@ void sched_init_numa(void) int level = 0; int i, j, k; - sched_domains_numa_distance = kzalloc(sizeof(int) * nr_node_ids, GFP_KERNEL); + sched_domains_numa_distance = kzalloc(sizeof(int) * (nr_node_ids + 1), GFP_KERNEL); if (!sched_domains_numa_distance) return; |