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-rw-r--r--kexec/arch/ppc64/crashdump-ppc64.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kexec/arch/ppc64/crashdump-ppc64.h b/kexec/arch/ppc64/crashdump-ppc64.h
index 87beb39..b0cba8a 100644
--- a/kexec/arch/ppc64/crashdump-ppc64.h
+++ b/kexec/arch/ppc64/crashdump-ppc64.h
@@ -14,7 +14,7 @@ void add_usable_mem_rgns(unsigned long long base, unsigned long long size);
#define VMALLOCBASE 0xD000000000000000ULL
#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
-#define MAXMEM (-KERNELBASE-VMALLOCBASE)
+#define MAXMEM (-(unsigned long)(KERNELBASE-VMALLOCBASE))
#define COMMAND_LINE_SIZE 2048 /* from kernel */
/* Backup Region, First 64K of System RAM. */