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-rw-r--r--arch/powerpc/include/asm/kdump.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h
index 5ebfe5d3c61f..6857af58b02e 100644
--- a/arch/powerpc/include/asm/kdump.h
+++ b/arch/powerpc/include/asm/kdump.h
@@ -3,8 +3,17 @@
3 3
4#include <asm/page.h> 4#include <asm/page.h>
5 5
6/* Kdump kernel runs at 32 MB, change at your peril. */ 6/*
7 * If CONFIG_RELOCATABLE is enabled we can place the kdump kernel anywhere.
8 * To keep enough space in the RMO for the first stage kernel on 64bit, we
9 * place it at 64MB. If CONFIG_RELOCATABLE is not enabled we must place
10 * the second stage at 32MB.
11 */
12#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC64)
13#define KDUMP_KERNELBASE 0x4000000
14#else
7#define KDUMP_KERNELBASE 0x2000000 15#define KDUMP_KERNELBASE 0x2000000
16#endif
8 17
9/* How many bytes to reserve at zero for kdump. The reserve limit should 18/* How many bytes to reserve at zero for kdump. The reserve limit should
10 * be greater or equal to the trampoline's end address. 19 * be greater or equal to the trampoline's end address.