diff options
| author | Guo Ren <ren_guo@c-sky.com> | 2019-01-12 16:16:27 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-03-13 14:04:00 -0700 |
| commit | 61e454511cfdb49ba5a78000a89c73697602bf6d (patch) | |
| tree | 3be8c791d263e11b41d24951ee6a45bb62eb9365 /arch | |
| parent | 98c9a1d0a70da13d9c2f0f05d878fb0b2e9060ec (diff) | |
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')
| -rw-r--r-- | arch/riscv/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/riscv/mm/init.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 2c290e6aaa6e..6d652826b5cb 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -196,7 +196,7 @@ static void __init setup_bootmem(void) BUG_ON(mem_size == 0); set_max_mapnr(PFN_DOWN(mem_size)); - max_low_pfn = memblock_end_of_DRAM(); + max_low_pfn = PFN_DOWN(memblock_end_of_DRAM()); #ifdef CONFIG_BLK_DEV_INITRD setup_initrd(); diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 1d9bfaff60bc..658ebf645f42 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -28,7 +28,8 @@ 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; |