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1 | /* |
2 | * mm/percpu_up.c - dummy percpu memory allocator implementation for UP |
3 | */ |
4 | |
5 | #include <linux/module.h> |
6 | #include <linux/percpu.h> |
7 | #include <linux/slab.h> |
8 | |
9 | void __percpu *__alloc_percpu(size_t size, size_t align) |
10 | { |
11 | /* |
12 | * Can't easily make larger alignment work with kmalloc. WARN |
13 | * on it. Larger alignment should only be used for module |
14 | * percpu sections on SMP for which this path isn't used. |
15 | */ |
16 | WARN_ON_ONCE(align > SMP_CACHE_BYTES); |
17 | return kzalloc(size, GFP_KERNEL); |
18 | } |
19 | EXPORT_SYMBOL_GPL(__alloc_percpu); |
20 | |
21 | void free_percpu(void __percpu *p) |
22 | { |
23 | kfree(p); |
24 | } |
25 | EXPORT_SYMBOL_GPL(free_percpu); |
26 | |
27 | phys_addr_t per_cpu_ptr_to_phys(void *addr) |
28 | { |
29 | return __pa(addr); |
30 | } |
31 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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v3.9