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On 5/4/07, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> Expost buffer_size in order to allow fair estimates on the actual space
> used/needed.
[snip]
> #ifdef CONFIG_SLAB_FAIR
> -static inline int slab_alloc_rank(gfp_t flags)
> +static __always_inline int slab_alloc_rank(gfp_t flags)
> {
> return gfp_to_rank(flags);
> }
> #else
> -static inline int slab_alloc_rank(gfp_t flags)
> +static __always_inline int slab_alloc_rank(gfp_t flags)
> {
> return 0;
> }
Me thinks this hunk doesn't belong in this patch.
> @@ -3815,6 +3815,12 @@ unsigned int kmem_cache_size(struct kmem
> }
> EXPORT_SYMBOL(kmem_cache_size);
>
> +unsigned int kmem_cache_objsize(struct kmem_cache *cachep)
> +{
> + return cachep->buffer_size;
> +}
> +EXPORT_SYMBOL_GPL(kmem_cache_objsize);
> +
> const char *kmem_cache_name(struct kmem_cache *cachep)
> {
> return cachep->name;
> @@ -4512,3 +4518,9 @@ unsigned int ksize(const void *objp)
>
> return obj_size(virt_to_cache(objp));
> }
> +
> +unsigned int kobjsize(size_t size)
> +{
> + return kmem_cache_objsize(kmem_find_general_cachep(size, 0));
> +}
> +EXPORT_SYMBOL_GPL(kobjsize);
Looks good to me. Unfortunately, you need to do SLUB as well. Aah, the
wonders of three kernel memory allocators... ;-)
Pekka
-
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