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| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-02-20 16:29:08 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-02-20 16:29:08 +0900 |
| commit | 313e458f81ec3852106c5a83830fe0d4f405a71a (patch) | |
| tree | 682cd5b6d7dc4e0e9eccdcc7915820dd33c87a34 /include/linux/percpu.h | |
| parent | b36128c830a8f5bd7d4981f5b0b69950f5928ee6 (diff) | |
| download | lwn-313e458f81ec3852106c5a83830fe0d4f405a71a.tar.gz lwn-313e458f81ec3852106c5a83830fe0d4f405a71a.zip | |
alloc_percpu: add align argument to __alloc_percpu.
This prepares for a real __alloc_percpu, by adding an alignment argument.
Only one place uses __alloc_percpu directly, and that's for a string.
tj: af_inet also uses __alloc_percpu(), update it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/percpu.h')
| -rw-r--r-- | include/linux/percpu.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h index c80cfe1260ec..1fdaee93c04d 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -108,9 +108,10 @@ static inline void percpu_free(void *__pdata) /* (legacy) interface for use without CPU hotplug handling */ -#define __alloc_percpu(size) percpu_alloc_mask((size), GFP_KERNEL, \ +#define __alloc_percpu(size, align) percpu_alloc_mask((size), GFP_KERNEL, \ cpu_possible_map) -#define alloc_percpu(type) (type *)__alloc_percpu(sizeof(type)) +#define alloc_percpu(type) (type *)__alloc_percpu(sizeof(type), \ + __alignof__(type)) #define free_percpu(ptr) percpu_free((ptr)) /* * Use this to get to a cpu's version of the per-cpu object dynamically |