Re: [PATCH -next 0/6] rhashtable: guarantee first allocation

[Davidlohr Bueso]

On Thu, 24 May 2018, Linus Torvalds wrote:

> On Thu, May 24, 2018 at 2:28 PM Davidlohr Bueso <dave@xxxxxxxxxxxx> wrote:
> >   10 files changed, 79 insertions(+), 86 deletions(-)
>
> I certainly can't complain about this small code removal, but I think if we
> did the kvmalloc_node() cleanup, we'd be able to get rid of even more.
>
> For example, bucket_table_alloc() does that
>
>         if (gfp != GFP_KERNEL)
>                 tbl = kzalloc(size, gfp | __GFP_NOWARN | __GFP_NORETRY);
>         else
>                 tbl = kvzalloc(size, gfp);
>
> purely due to the kvalloc_node() oddity. Wouldn't it be nice to just write
> it as
>
>         tbl = kvzalloc(size, gfp);
>
> knowing that the whole point of all the kv*alloc*() functions is to "just
> do the right thing given size, gpf mask, and ease of allocation".

Yes this makes a lot of sense. I'll see about adding it on top.

Thanks,
Davidlohr