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| author | Guo Ren | 2019-01-12 09:16:27 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-03-13 22:02:27 +0100 |
| commit | ffabf74c67967ac6c14f66d8a4f0f218c890e2cd (patch) | |
| tree | 5b805cee783809b0516fbd002d3ae8816af8ddc6 /arch/riscv/mm/init.c | |
| parent | iommu/amd: Unmap all mapped pages in error path of map_sg (diff) | |
| download | kernel-qcow2-linux-ffabf74c67967ac6c14f66d8a4f0f218c890e2cd.tar.gz kernel-qcow2-linux-ffabf74c67967ac6c14f66d8a4f0f218c890e2cd.tar.xz kernel-qcow2-linux-ffabf74c67967ac6c14f66d8a4f0f218c890e2cd.zip | |
riscv: fixup max_low_pfn with PFN_DOWN.
[ Upstream commit 28198c4639b39899a728ac89aea29d2a7a72562f ]
max_low_pfn should be pfn_size not byte_size.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Signed-off-by: Mao Han <mao_han@c-sky.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/riscv/mm/init.c')
| -rw-r--r-- | arch/riscv/mm/init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 58a522f9bcc3..200a4b315e15 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -29,7 +29,8 @@ static void __init zone_sizes_init(void) unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, }; #ifdef CONFIG_ZONE_DMA32 - max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, max_low_pfn)); + max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, + (unsigned long) PFN_PHYS(max_low_pfn))); #endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; |