powerpc/kdump: Handle crashkernel memory reservation failure

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Memory reservation for crashkernel could fail if there are holes around
kdump kernel offset (128M). Fail gracefully in such cases and print an
error message.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Tested-by: David Gibson <dgibson@redhat.com>
Reviewed-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Hari Bathini 2018-06-28 10:49:56 +05:30 • committed by Michael Ellerman

parent 741c5640a1

commit 8950329c4a

1 changed files with 6 additions and 1 deletions

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arch/powerpc/kernel/machine_kexec.c

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