__alloc_percpu and alloc_percpu both take an 'align' argument which is
completely ignored. snmp6_mib_init() in net/ipv6/af_inet6.c attempts to
use it, but it will be ignored. Therefore, remove the 'align' argument
and fixup the lone caller.
Signed-off-by: Matthew Dobson <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
---
include/linux/percpu.h | 7 +++----
mm/slab.c | 3 +--
net/ipv6/af_inet6.c | 4 ++--
3 files changed, 6 insertions(+), 8 deletions(-)
Index: 2.6/include/linux/percpu.h
===================================================================
--- 2.6.orig/include/linux/percpu.h
+++ 2.6/include/linux/percpu.h
@@ -33,14 +33,14 @@ struct percpu_data {
(__typeof__(ptr))__p->ptrs[(cpu)]; \
})
-extern void *__alloc_percpu(size_t size, size_t align);
+extern void *__alloc_percpu(size_t size);
extern void free_percpu(const void *);
#else /* CONFIG_SMP */
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
-static inline void *__alloc_percpu(size_t size, size_t align)
+static inline void *__alloc_percpu(size_t size)
{
void *ret = kmalloc(size, GFP_KERNEL);
if (ret)
@@ -55,7 +55,6 @@ static inline void free_percpu(const voi
#endif /* CONFIG_SMP */
/* Simple wrapper for the common case: zeros memory. */
-#define alloc_percpu(type) \
- ((type *)(__alloc_percpu(sizeof(type), __alignof__(type))))
+#define alloc_percpu(type) ((type *)(__alloc_percpu(sizeof(type))))
#endif /* __LINUX_PERCPU_H */
Index: 2.6/mm/slab.c
===================================================================
--- 2.6.orig/mm/slab.c
+++ 2.6/mm/slab.c
@@ -2949,9 +2949,8 @@ EXPORT_SYMBOL(__kmalloc);
* Objects should be dereferenced using the per_cpu_ptr macro only.
*
* @size: how many bytes of memory are required.
- * @align: the alignment, which can't be greater than SMP_CACHE_BYTES.
*/
-void *__alloc_percpu(size_t size, size_t align)
+void *__alloc_percpu(size_t size)
{
int i;
struct percpu_data *pdata = kmalloc(sizeof (*pdata), GFP_KERNEL);
Index: 2.6/net/ipv6/af_inet6.c
===================================================================
--- 2.6.orig/net/ipv6/af_inet6.c
+++ 2.6/net/ipv6/af_inet6.c
@@ -596,11 +596,11 @@ snmp6_mib_init(void *ptr[2], size_t mibs
if (ptr == NULL)
return -EINVAL;
- ptr[0] = __alloc_percpu(mibsize, mibalign);
+ ptr[0] = __alloc_percpu(mibsize);
if (!ptr[0])
goto err0;
- ptr[1] = __alloc_percpu(mibsize, mibalign);
+ ptr[1] = __alloc_percpu(mibsize);
if (!ptr[1])
goto err1;
-
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