arm64: kexec_file: try more regions if loading segments fails
It's possible that the first region picked for the new kernel will make it impossible to fit the other segments in the required 32GB window, especially if we have a very large initrd. Instead of giving up, we can keep testing other regions for the kernel until we find one that works. Suggested-by: Ryan O'Leary <ryanoleary@google.com> Signed-off-by: Benjamin Gwin <bgwin@google.com> Link: https://lore.kernel.org/r/20201103201106.2397844-1-bgwin@google.comSigned-off-by: Will Deacon <will@kernel.org>
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