DL-Mirrors/kernel-tenderloin-3.0
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

alloc_percpu: add align argument to __alloc_percpu.

Browse Source 
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>
This commit is contained in:
Rusty Russell
2009-02-20 16:29:08 +09:00
committed by Tejun Heo
parent b36128c830
commit 313e458f81
3 changed files with 6 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/percpu.h
View File

@@ -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