Messages in this thread | | | Date | Mon, 8 Jun 2020 14:04:16 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH v2] dma-pool: Fix too large DMA pools on medium systems |
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On Mon, 8 Jun 2020, Geert Uytterhoeven wrote:
> On systems with at least 32 MiB, but less than 32 GiB of RAM, the DMA > memory pools are much larger than intended (e.g. 2 MiB instead of 128 > KiB on a 256 MiB system). > > Fix this by correcting the calculation of the number of GiBs of RAM in > the system. Invert the order of the min/max operations, to keep on > calculating in pages until the last step, which aids readability. > > Fixes: 1d659236fb43c4d2 ("dma-pool: scale the default DMA coherent pool size with memory capacity") > Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This works as well and is much more readable. Thanks Geert!
Acked-by: David Rientjes <rientjes@google.com>
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