forked from luck/tmp_suning_uos_patched
of: return NUMA_NO_NODE from fallback of_node_to_nid()
Node 0 might be offline as well as any other numa node,
in this case kernel cannot handle memory allocation and crashes.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Fixes: 0c3f061c19
("of: implement of_node_to_nid as a weak function")
Signed-off-by: Grant Likely <grant.likely@linaro.org>
This commit is contained in:
parent
ba155e2d21
commit
c8fff7bc5b
@ -89,7 +89,7 @@ EXPORT_SYMBOL(of_n_size_cells);
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#ifdef CONFIG_NUMA
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#ifdef CONFIG_NUMA
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int __weak of_node_to_nid(struct device_node *np)
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int __weak of_node_to_nid(struct device_node *np)
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{
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{
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return numa_node_id();
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return NUMA_NO_NODE;
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}
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}
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#endif
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#endif
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@ -667,7 +667,10 @@ static inline void of_property_clear_flag(struct property *p, unsigned long flag
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#if defined(CONFIG_OF) && defined(CONFIG_NUMA)
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#if defined(CONFIG_OF) && defined(CONFIG_NUMA)
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extern int of_node_to_nid(struct device_node *np);
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extern int of_node_to_nid(struct device_node *np);
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#else
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#else
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static inline int of_node_to_nid(struct device_node *device) { return 0; }
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static inline int of_node_to_nid(struct device_node *device)
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{
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return NUMA_NO_NODE;
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}
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#endif
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#endif
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static inline struct device_node *of_find_matching_node(
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static inline struct device_node *of_find_matching_node(
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