[S390] Fix vmalloc area size calculation.

setup_memory_end() uses VMALLOC_END instead of VMALLOC_END_INIT to
calculate the maximum supported size of physical memory. Since
VMALLOC_END is zero, this will cause a crash on 31 bit systems.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 49ef206..5d8ee3b 100644 (file)
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -476,7 +476,7 @@ static void __init setup_memory_end(void)
        int i;
 
        memory_size = real_size = 0;
-       max_phys = VMALLOC_END - VMALLOC_MIN_SIZE;
+       max_phys = VMALLOC_END_INIT - VMALLOC_MIN_SIZE;
        memory_end &= PAGE_MASK;
 
        max_mem = memory_end ? min(max_phys, memory_end) : max_phys;