Messages in this thread | | | Date | Thu, 5 Oct 2017 14:29:33 -0400 (EDT) | From | Nicolas Pitre <> | Subject | Re: [PATCH 2/2] of/fdt: skip unflattening of disabled nodes |
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On Tue, 3 Oct 2017, Frank Rowand wrote:
> On 10/03/17 11:46, Nicolas Pitre wrote: > > On Tue, 3 Oct 2017, Rob Herring wrote: > > > >> For static DT usecases, we don't need the disabled nodes and can skip > >> unflattening. This saves a significant amount of RAM in memory constrained > >> cases. In one example on STM32F469, the RAM usage goes from 118K to 26K. > >> > >> There are a few cases in the kernel that modify the status property > >> dynamically. These all are changes from enabled to disabled, depend on > >> OF_DYNAMIC or are not FDT based (PDT based). > >> > >> Cc: Nicolas Pitre <nicolas.pitre@linaro.org> > >> Cc: Frank Rowand <frowand.list@gmail.com> > >> Signed-off-by: Rob Herring <robh@kernel.org> > > > > Tested-by: Nicolas Pitre <nico@linaro.org> > > > >> --- > >> For more background, see this presentation from Nico: > >> > >> https://connect.linaro.org/resource/sfo17/sfo17-100/ > > > > Oh my ... this is horrible ... > > I found the presentation to be quite good and useful.
Thanks. I think the content is good. I'm just a terrible speaker.
> The Linaro site does not have the slides, could you please send > me a copy?
I've asked for the slides to be uploaded to the site. I've sent you a copy privately in the mean time.
Nicolas
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