diff options
Diffstat (limited to 'mm/kmsan/init.c')
| -rw-r--r-- | mm/kmsan/init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/kmsan/init.c b/mm/kmsan/init.c index 6c56dca46063..10f52c085e6c 100644 --- a/mm/kmsan/init.c +++ b/mm/kmsan/init.c @@ -33,7 +33,10 @@ static void __init kmsan_record_future_shadow_range(void *start, void *end) bool merged = false; KMSAN_WARN_ON(future_index == NUM_FUTURE_RANGES); - KMSAN_WARN_ON((nstart >= nend) || !nstart || !nend); + KMSAN_WARN_ON((nstart >= nend) || + /* Virtual address 0 is valid on s390. */ + (!IS_ENABLED(CONFIG_S390) && !nstart) || + !nend); nstart = ALIGN_DOWN(nstart, PAGE_SIZE); nend = ALIGN(nend, PAGE_SIZE); |