linux-kernel - Re: [PATCH net-next v16 05/13] page

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Message-ID: <20240710182322.667f0108@kernel.org>
Date: Wed, 10 Jul 2024 18:23:22 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Mina Almasry <almasrymina@...gle.com>
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Subject: Re: [PATCH net-next v16 05/13] page_pool: devmem support

On Wed, 10 Jul 2024 16:42:04 -0700 Mina Almasry wrote:
> > > +static inline void netmem_set_pp(netmem_ref netmem, struct page_pool *pool)
> > > +{
> > > +     __netmem_clear_lsb(netmem)->pp = pool;
> > > +}  
> >
> > Why is all this stuff in the main header? It's really low level.
> > Please put helpers which are only used by the core in a header
> > under net/core/, like net/core/dev.h  
> 
> Sorry none of those are only used by net/core/*. Pretty much all of
> these are used by include/net/page_pool/helpers.h, and some have
> callers in net/core/devmem.c or net/core/skbuff.c
> 
> Would you like me to move these pp specific looking ones to
> include/net/page_pool/netmem.h or something similar?

That's because some things already in helpers have no real business
being there either. Why is page_pool_set_pp_info() in helpers.h?