diff options
| -rw-r--r-- | arch/s390/boot/vmem.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c index 3fa28db2fe59..14aee8524021 100644 --- a/arch/s390/boot/vmem.c +++ b/arch/s390/boot/vmem.c @@ -471,6 +471,9 @@ void setup_vmem(unsigned long kernel_start, unsigned long kernel_end, unsigned l lowcore_address + sizeof(struct lowcore), POPULATE_LOWCORE); for_each_physmem_usable_range(i, &start, &end) { + /* Do not map lowcore with identity mapping */ + if (!start) + start = sizeof(struct lowcore); pgtable_populate((unsigned long)__identity_va(start), (unsigned long)__identity_va(end), POPULATE_IDENTITY); |