diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index c17747236438..f895fdd32c5b 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6122,6 +6122,17 @@ static void sched_init_numa(void) * numbers. */ + /* + * Here, we should temporarily reset sched_domains_numa_levels to 0. + * If it fails to allocate memory for array sched_domains_numa_masks[][], + * the array will contain less then 'level' members. This could be + * dangerous when we use it to iterate array sched_domains_numa_masks[][] + * in other functions. + * + * We reset it to 'level' at the end of this function. + */ + sched_domains_numa_levels = 0; + sched_domains_numa_masks = kzalloc(sizeof(void *) * level, GFP_KERNEL); if (!sched_domains_numa_masks) return; @@ -6176,6 +6187,8 @@ static void sched_init_numa(void) } sched_domain_topology = tl; + + sched_domains_numa_levels = level; } #else static inline void sched_init_numa(void) |