From f9f7500521b25dbf1aba476b81230489ad8e2c4b Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Sun, 8 Jan 2006 01:00:33 -0800 Subject: [PATCH] [PATCH] slab: remove unused align parameter from alloc_percpu __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 Acked-by: Manfred Spraul Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/percpu.h | 7 +++---- mm/slab.c | 3 +-- net/ipv6/af_inet6.c | 4 ++-- 3 files changed, 6 insertions(+), 8 deletions(-) diff --git a/include/linux/percpu.h b/include/linux/percpu.h index fb8d2d2..20317d8 100644 --- a/include/linux/percpu.h +++ b/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 void *ptr) #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 */ diff --git a/mm/slab.c b/mm/slab.c index e5ec26e..eb70fdd 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2944,9 +2944,8 @@ 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); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 68afc53..25c3fe5 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -689,11 +689,11 @@ snmp6_mib_init(void *ptr[2], size_t mibsize, size_t mibalign) 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; -- 2.7.4