[PATCH] udmabuf: configurable list_limit and size_limit_mb

Gerd Hoffmann kraxel at redhat.com
Wed Jun 23 12:14:17 UTC 2021


On Fri, Jun 11, 2021 at 02:21:07PM -0700, Dongwon Kim wrote:
> Default list_limit and size_limit_mb are not big enough to cover all
> possible use cases. For example, list_limit could be well over its default,
> 1024 if only one or several pages are chained in all individual list entries
> when creating dmabuf backed by >4MB buffer. list_limit and size_limit_mb are
> now defined as module parameters so that those can be optionally configured
> by root with proper values to remove these constraints.
> 
> Cc: Gerd Hoffmann <kraxel at redhat.com>
> Signed-off-by: Dongwon Kim <dongwon.kim at intel.com>

Pushed to drm-misc-next.

thanks,
  Gerd



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