Commit | Line | Data |
---|---|---|
de380b55 TH |
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 | } |