The KEXEC_*_MEMORY_LIMITs are inclusive addresses. We define them as 2Gs as that is what we allow mapping via TLBs. However, this should be 2G - 1 to be inclusive, otherwise if we have >2G of memory in a system we fail to boot properly via kexec.
Signed-off-by: Kumar Gala <ga...@kernel.crashing.org> --- arch/powerpc/include/asm/kexec.h | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 2a9cd74..076327f 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -8,9 +8,9 @@ * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory * and therefore we can only deal with memory within this range */ -#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) -#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) -#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) +#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) +#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) +#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) #else -- 1.6.0.6 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
