On Tue, 9 Jan 2018, Kees Cook wrote:
> +struct kmem_cache *kmem_cache_create_usercopy(const char *name,
> + size_t size, size_t align, slab_flags_t flags,
> + size_t useroffset, size_t usersize,
> + void (*ctor)(void *));
Hmmm... At some point we should switch kmem_cache_create to pass a struct
containing all the parameters. Otherwise the API will blow up with
additional functions.
> index 2181719fd907..70c4b4bb4d1f 100644
> --- a/include/linux/stddef.h
> +++ b/include/linux/stddef.h
> @@ -19,6 +19,8 @@ enum {
> #define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
> #endif
>
> +#define sizeof_field(structure, field) sizeof((((structure *)0)->field))
> +
> /**
> * offsetofend(TYPE, MEMBER)
> *
Have a separate patch for adding this functionality? Its not a slab
maintainer
file.
Rest looks ok.
Acked-by: Christoph Lameter <cl@xxxxxxxxx>
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