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kernel
os
linux
s390/sparsemem: Provide phys_to_target_node() with CONFIG_NUMA
Add a trival phys_to_target_node() implementation which always returns 0 if
CONFIG_NUMA is enabled, since the s390 NUMA implementation only supports
node 0.
This is similar to memory_add_physaddr_to_nid() in order to avoid runtime
warnings.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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arch/s390/include/asm/sparsemem.h
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arch/s390/include/asm/sparsemem.h
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#define MAX_PHYSMEM_BITS CONFIG_MAX_PHYSMEM_BITS
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#ifdef CONFIG_NUMA
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static inline int memory_add_physaddr_to_nid(u64 addr)
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{
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return 0;
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}
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#define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
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static inline int phys_to_target_node(u64 start)
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{
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return 0;
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}
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#define phys_to_target_node phys_to_target_node
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#endif /* CONFIG_NUMA */
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#endif /* _ASM_S390_SPARSEMEM_H */