percpu: free percpu allocation info for uniprocessor system
Currently, only SMP system free the percpu allocation info. Uniprocessor system should free it too. For example, one x86 UML virtual machine with 256MB memory, UML kernel wastes one page memory. Signed-off-by: Honggang Li <enjoymindful@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org
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@ -1932,6 +1932,8 @@ void __init setup_per_cpu_areas(void)
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if (pcpu_setup_first_chunk(ai, fc) < 0)
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panic("Failed to initialize percpu areas.");
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pcpu_free_alloc_info(ai);
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}
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#endif /* CONFIG_SMP */
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