[PATCH v2 0/2][powerpc] Export memory_limit via device tree

The following series exports the linux memory_limit set by the mem= parameter via device-tree, so that kexec-tools can limit the crash regions to the actual memory used by the kernel. Change since V1: * Added a patch to change the type of memory_limit to a fixed size(unsigned long long) from

[PATCH v2 0/2][powerpc] Export memory_limit via device tree

The following series exports the linux memory_limit set by the mem= parameter via device-tree, so that kexec-tools can limit the crash regions to the actual memory used by the kernel. Change since V1: * Added a patch to change the type of memory_limit to a fixed size(unsigned long long) from