Re: [PATCH 1/3] GenWQE: Delete an error message for a failed memory allocation in genwqe_user_vmap()

From: SF Markus Elfring
Date: Mon Jan 08 2018 - 08:26:15 EST


>> @@ -593,7 +593,6 @@ int genwqe_user_vmap(struct genwqe_dev *cd, struct
>> dma_mapping *m, void *uaddr,
>> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ sizeof(struct page *) + sizeof(dma_addr_t),
>> ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ GFP_KERNEL);
>> ÂÂÂÂ if (!m->page_list) {
>> -ÂÂÂÂÂÂÂ dev_err(&pci_dev->dev, "err: alloc page_list failed\n");
>
> Are there different printouts which cover this?

Is this error message redundant?


> I mean the debug printout is not appearing all the time,
> it must be enabled, if I remember correctly.

Would you like to clarify corresponding configuration possibilities any more?


> So why do you suggest to remove it?

Can the Linux allocation failure report be sufficient for this use case already?

Regards,
Markus