1 files changed, 2 insertions, 2 deletions

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 62122bad1e3..400b040df7f 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -604,13 +604,13 @@ setup_memory(void)
                 if (memory_chunk[i].type != CHUNK_READ_WRITE)
                         continue;
                 start_chunk = PFN_DOWN(memory_chunk[i].addr);
-                end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size) - 1;
+                end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size);
                 end_chunk = min(end_chunk, end_pfn);
                 if (start_chunk >= end_chunk)
                         continue;
                 add_active_range(0, start_chunk, end_chunk);
                 pfn = max(start_chunk, start_pfn);
-                for (; pfn <= end_chunk; pfn++)
+                for (; pfn < end_chunk; pfn++)
                         page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY);
         }