[PATCH] nvme-pci: fix dma unmapping when using PRPs and not using the IOVA mapping

Keith Busch kbusch at kernel.org
Thu Jul 10 17:37:03 PDT 2025


On Fri, Jul 11, 2025 at 02:25:12AM +0200, Klara Modin wrote:
> This patch seems to introduce a memory leak, causing the slab to grow
> continuously. The easiest way I found to trigger it is along the lines
> of
> 
> # dd if=/dev/nvme0n1 of=/dev/null bs=8M

Doh! Thank you for the report, I appreciate notification for regressions
on the -next branches. I'll look into it tomorrow if hch doesn't beat me
to it.



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