diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/kdump.h | 11 |
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 @@ #include <asm/page.h> -/* Kdump kernel runs at 32 MB, change at your peril. */ +/* + * If CONFIG_RELOCATABLE is enabled we can place the kdump kernel anywhere. + * To keep enough space in the RMO for the first stage kernel on 64bit, we + * place it at 64MB. If CONFIG_RELOCATABLE is not enabled we must place + * the second stage at 32MB. + */ +#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC64) +#define KDUMP_KERNELBASE 0x4000000 +#else #define KDUMP_KERNELBASE 0x2000000 +#endif /* How many bytes to reserve at zero for kdump. The reserve limit should * be greater or equal to the trampoline's end address. |