Messages in this thread Patch in this message | | | Subject | [PATCH 2/5] slab: remove unused align parameter from alloc_percpu | From | Pekka Enberg <> | Date | Fri, 18 Nov 2005 19:20:30 +0200 |
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__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 <colpatch@us.ibm.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> ---
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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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