percpu: fix spurious alignment WARN in legacy SMP percpu allocator
Impact: remove spurious WARN on legacy SMP percpu allocator Commitf2a8205c4e
incorrectly added too tight WARN_ON_ONCE() on alignments for UP and legacy SMP percpu allocator. Commite317603694
fixed it for UP but legacy SMP allocator was forgotten. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Sachin P. Sant <sachinp@in.ibm.com>
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@ -120,7 +120,7 @@ void *__alloc_percpu(size_t size, size_t align)
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* on it. Larger alignment should only be used for module
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* percpu sections on SMP for which this path isn't used.
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*/
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WARN_ON_ONCE(align > __alignof__(unsigned long long));
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WARN_ON_ONCE(align > SMP_CACHE_BYTES);
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if (unlikely(!pdata))
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return NULL;
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