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When using the reserved memory node in the device tree there are two options - dynamic or static. If a dynamic allocation was selected (where the kernel selects the address for the allocation) convert it to a static allocation by inserting the reg property. This will ensure the same memory is reused after a kexec() Signed-off-by: Roy Pledge <roy.pledge@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>