Re: [PATCH net v2] s390/ism: fix receive message buffer allocation

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On Mon, 2024-04-08 at 11:00 +0000, patchwork-bot+netdevbpf@xxxxxxxxxx
wrote:
> Hello:
> 
> This patch was applied to netdev/net.git (main)
> by David S. Miller <davem@xxxxxxxxxxxxx>:
> 
> On Fri,  5 Apr 2024 13:16:06 +0200 you wrote:
> > Since [1], dma_alloc_coherent() does not accept requests for GFP_COMP
> > anymore, even on archs that may be able to fulfill this. Functionality that
> > relied on the receive buffer being a compound page broke at that point:
> > The SMC-D protocol, that utilizes the ism device driver, passes receive
> > buffers to the splice processor in a struct splice_pipe_desc with a
> > single entry list of struct pages. As the buffer is no longer a compound
> > page, the splice processor now rejects requests to handle more than a
> > page worth of data.
> > 
> > [...]
> 
> Here is the summary with links:
>   - [net,v2] s390/ism: fix receive message buffer allocation
>     https://git.kernel.org/netdev/net/c/58effa347653
> 
> You are awesome, thank you!

This version of the patch has an outstanding issue around handling
allocation failure see the comments on v1 here[0]. Please drop. Gerd
will send a v3 with that issue fixed.

Thanks,
Niklas

[0] https://lore.kernel.org/all/20240405143641.GA5865@xxxxxx/





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