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(parent: 64ae217) | patch
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)
committerMarek Szyprowski <m.szyprowski@samsung.com>
Mon, 15 Nov 2021 14:18:27 +0000 (15:18 +0100)
commit49e7cf9c4c8b29a2031366444679b4d7f879b6f6
treedede6e7d55e79ca7cc09b458f6de9e3113ab503ctree | snapshot
parent64ae21747ab701cd9550648e2168f081cb4be8ffcommit | 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;