Re: [PATCH v2 4/8] docs: dma-api: add a kernel-doc comment for dma_pool_zalloc()

From: Petr Tesarik
Date: Tue Jul 01 2025 - 07:38:48 EST


On Sat, 28 Jun 2025 12:04:04 -0700
Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:

> On 6/27/25 3:10 AM, Petr Tesarik wrote:
> > Document the dma_pool_zalloc() wrapper.
> >
> > Signed-off-by: Petr Tesarik <ptesarik@xxxxxxxx>
> > ---
> > Documentation/core-api/mm-api.rst | 2 ++
> > include/linux/dmapool.h | 8 ++++++++
> > 2 files changed, 10 insertions(+)
> >
> > diff --git a/Documentation/core-api/mm-api.rst b/Documentation/core-api/mm-api.rst
> > index af8151db88b28..a61766328ac06 100644
> > --- a/Documentation/core-api/mm-api.rst
> > +++ b/Documentation/core-api/mm-api.rst
> > @@ -97,6 +97,8 @@ DMA pools
> > .. kernel-doc:: mm/dmapool.c
> > :export:
> >
> > +.. kernel-doc:: include/linux/dmapool.h
> > +
> > More Memory Management Functions
> > ================================
> >
> > diff --git a/include/linux/dmapool.h b/include/linux/dmapool.h
> > index 06c4de602b2f3..c0c7717d3ae7b 100644
> > --- a/include/linux/dmapool.h
> > +++ b/include/linux/dmapool.h
> > @@ -60,6 +60,14 @@ static inline struct dma_pool *dma_pool_create(const char *name,
> > NUMA_NO_NODE);
> > }
> >
> > +/**
> > + * dma_pool_zalloc - Get a zero-initialized block of DMA coherent memory.
> > + * @pool: dma pool that will produce the block
> > + * @mem_flags: GFP_* bitmask
> > + * @handle: pointer to dma address of block
> > + *
> > + * Same as @dma_pool_alloc, but the returned memory is zeroed.
>
> * Same as dma_pool_alloc(), but ...
>
> '@' is for function arguments.

Oops. Somehow sneaked in...

> With that change:
>
> Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Do I have to submit a v3 then?

Petr T