Messages in this thread Patch in this message | | | From | Chen Zhou <> | Subject | [PATCH v2 2/3] arm64: mm: move dma_contiguous_reserve() to bootmem_init() | Date | Wed, 30 Dec 2020 18:23:21 +0800 |
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Like crashkernel, CMA might also reserve memory located in ZONE_DMA, so move dma_contiguous_reserve() to bootmem_init() to make sure that arm64_dma_phys_limit is populated.
Just place dma_contiguous_reserve() after reserve_crashkernel() as before.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com> Suggested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> --- arch/arm64/mm/init.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 7b9809e39927..64a0e8f551d6 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -403,8 +403,6 @@ void __init arm64_memblock_init(void) reserve_elfcorehdr(); high_memory = __va(memblock_end_of_DRAM() - 1) + 1; - - dma_contiguous_reserve(arm64_dma32_phys_limit); } void __init bootmem_init(void) @@ -445,6 +443,8 @@ void __init bootmem_init(void) */ reserve_crashkernel(); + dma_contiguous_reserve(arm64_dma32_phys_limit); + memblock_dump_all(); } -- 2.20.1
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