Re: FAILED: patch "[PATCH] dma/pool: create dma atomic pool only if dma zone has managed" failed to apply to 5.4-stable tree

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, Jan 24, 2022 at 08:37:43AM -0600, john.p.donnelly@oracle.com wrote:
> On 1/23/22 8:29 AM, gregkh@linuxfoundation.org wrote:
> > 
> > The patch below does not apply to the 5.4-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@vger.kernel.org>.
> > 
> > thanks,
> > 
> > greg k-h
> 
> 
> Hi,
> 
> 
> FWIIW :
> 
> We picked up the suspect "Fixes"  commit :
> 
> 2020-10-01 | x86/kdump: Always reserve the low 1M when the crashkernel
> option is specified
> 
> In an LTS update:  5.4.68,  and I do not see the issue reported in the
> summary :  "DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations
> " , when a kdump is invoked. We test kdump quite regularly on a variety of
> platforms.

That commit was in 5.4.69, not .68.  Or am I confused here?

that is why the 5.4 FAILED email was sent.

thanks,

greg k-h