RE: [PATCH 04/36] usercopy: Prepare for usercopy whitelisting

From: David Laight
Date: Fri Jan 12 2018 - 10:41:16 EST


From: Christopher Lameter
> Sent: 10 January 2018 18:28
> 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.

Or add an extra function to 'configure' the kmem_cache with the
extra parameters.

David