On Wed, Sep 04, 2024 at 12:50:28PM GMT, Vlastimil Babka wrote: > On 9/4/24 11:45, Christian Brauner wrote: > > On Wed, Sep 04, 2024 at 08:14:24AM GMT, Mike Rapoport wrote: > >> On Tue, Sep 03, 2024 at 04:20:53PM +0200, Christian Brauner wrote: > >> > Use _Generic() to create a compatibility layer that type switches on the > >> > third argument to either call __kmem_cache_create() or > >> > __kmem_cache_create_args(). This can be kept in place until all callers > >> > have been ported to struct kmem_cache_args. > >> > > >> > Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx> > >> > >> Reviewed-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx> > >> > >> > --- > >> > include/linux/slab.h | 13 ++++++++++--- > >> > mm/slab_common.c | 10 +++++----- > >> > 2 files changed, 15 insertions(+), 8 deletions(-) > >> > > >> > diff --git a/include/linux/slab.h b/include/linux/slab.h > >> > index aced16a08700..4292d67094c3 100644 > >> > --- a/include/linux/slab.h > >> > +++ b/include/linux/slab.h > >> > @@ -261,9 +261,10 @@ struct kmem_cache *__kmem_cache_create_args(const char *name, > >> > unsigned int object_size, > >> > struct kmem_cache_args *args, > >> > slab_flags_t flags); > >> > -struct kmem_cache *kmem_cache_create(const char *name, unsigned int size, > >> > - unsigned int align, slab_flags_t flags, > >> > - void (*ctor)(void *)); > >> > + > >> > +struct kmem_cache *__kmem_cache_create(const char *name, unsigned int size, > >> > + unsigned int align, slab_flags_t flags, > >> > + void (*ctor)(void *)); > >> > >> As I said earlier, this can become _kmem_cache_create and > >> __kmem_cache_create_args can be __kmem_cache_create from the beginning. > > I didn't notice an answer to this suggestion? Even if it's just that you > don't think it's worth the rewrite, or it's not possible because X Y Z. > Thanks. I'm confused. I sent two patches as a reply to the thread plus the answer below and there's two patches in v3 that you can use or drop. > > >> And as a followup cleanup both kmem_cache_create_usercopy() and > >> kmem_cache_create() can be made static inlines. > > > > Seems an ok suggestion to me. See the two patches I sent out now. >