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powerpc/kexec_file: Use inclusive range checks in add_usable_mem()
add_usable_mem() adds usable memory ranges for the kdump kernel.
The ranges are inclusive, but the partial overlap check uses exclusive
comparisons. This skips ranges with base == loc_end or end == loc_base.
Use inclusive comparisons instead.
Fixes: 7c64e21a1c ("powerpc/kexec_file: Restrict memory usage of kdump kernel")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260809162403.18142-2-thorsten.blum@linux.dev
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