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author | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
commit | d7be0ce6afb1df60bc786f57410407ceae92b994 (patch) | |
tree | 5e91acfc12c833531ad3320f274e0cd96a129973 /mm/percpu_up.c | |
parent | e08cae4181af9483b04ecfac48f01c8e5a5f27bf (diff) | |
parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
download | op-kernel-dev-d7be0ce6afb1df60bc786f57410407ceae92b994.zip op-kernel-dev-d7be0ce6afb1df60bc786f57410407ceae92b994.tar.gz |
Merge commit 'v2.6.34-rc6' into x86/cpu
Diffstat (limited to 'mm/percpu_up.c')
-rw-r--r-- | mm/percpu_up.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/mm/percpu_up.c b/mm/percpu_up.c new file mode 100644 index 0000000..c4351c7 --- /dev/null +++ b/mm/percpu_up.c @@ -0,0 +1,30 @@ +/* + * 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); +} |