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samsung: tizen_rpi: add swiotlb value to 8192 on 32bit
authorJaehoon Chung <jh80.chung@samsung.com>
Mon, 11 Jan 2021 07:36:57 +0000 (16:36 +0900)
committerJaehoon Chung <jh80.chung@samsung.com>
Tue, 17 Oct 2023 04:19:30 +0000 (13:19 +0900)
commit691b7273520fb74d5698164c2efb16791308417b
tree0c2f7904ee071b4dc4a601b6bbc83ee321bb15f0tree | snapshot
parent907acf48e770fcb66fab46028ccc605c76b495bacommit | diff
samsung: tizen_rpi: add swiotlb value to 8192 on 32bit

When 32bit kernel is booting, kernel is reserving memory for SWIOTLB about
64MB. It seems that doesn't need to use full size.
After set 'swiotlb=8192', SWIOTLB is reserved to 16MB.
Then it can save 48MB memory to use ZONE_DMA.

Change-Id: I1a1659cbff2120da755b14f1b373715bc10027c4
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
include/samsung/tizen_rpi.h diff | blob | history
Domain: System / Kernel;