From: Heiko Carstens <[email protected]>
[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 <[email protected]>
Signed-off-by: Martin Schwidefsky <[email protected]>
---
arch/s390/kernel/setup.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -urpN linux-2.6/arch/s390/kernel/setup.c linux-2.6-patched/arch/s390/kernel/setup.c
--- linux-2.6/arch/s390/kernel/setup.c 2007-01-06 15:20:00.000000000 +0100
+++ linux-2.6-patched/arch/s390/kernel/setup.c 2007-01-06 15:20:33.000000000 +0100
@@ -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;
-
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