FreeBSD/Linux Kernel Cross Reference
sys/mm/percpu_up.c

     /*
      * mm/percpu_up.c - dummy percpu memory allocator implementation for UP
      */
     
     #include <linux/module.h>
     #include <linux/percpu.h>
     #include <linux/slab.h>
     
     void __percpu *__alloc_percpu(size_t size, size_t align)
    {
            /*
             * Can't easily make larger alignment work with kmalloc.  WARN
             * on it.  Larger alignment should only be used for module
             * percpu sections on SMP for which this path isn't used.
             */
            WARN_ON_ONCE(align > SMP_CACHE_BYTES);
            return kzalloc(size, GFP_KERNEL);
    }
    EXPORT_SYMBOL_GPL(__alloc_percpu);
    
    void free_percpu(void __percpu *p)
    {
            kfree(p);
    }
    EXPORT_SYMBOL_GPL(free_percpu);
    
    phys_addr_t per_cpu_ptr_to_phys(void *addr)
    {
            return __pa(addr);
    }

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