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| author | Guo Ren <guoren@linux.alibaba.com> | 2021-01-21 09:31:17 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2021-01-23 07:18:03 +0300 |
| commit | 336e8eb2a3cfe2285c314cd85630076da365f6c6 (patch) | |
| tree | b02a9adf62c5efe99b9f61edd05d9b4b52326750 /arch/riscv | |
| parent | 19c329f6808995b142b3966301f217c831e7cf31 (diff) | |
| download | linux-336e8eb2a3cfe2285c314cd85630076da365f6c6.tar.xz | |
riscv: Fixup pfn_valid error with wrong max_mapnr
The max_mapnr is the number of PFNs, not absolute PFN offset.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Fixes: d0d8aae64566 ("RISC-V: Set maximum number of mapped pages correctly")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/mm/init.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 7cd4993f4ff2..f9f9568d689e 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -196,7 +196,7 @@ void __init setup_bootmem(void) max_pfn = PFN_DOWN(dram_end); max_low_pfn = max_pfn; dma32_phys_limit = min(4UL * SZ_1G, (unsigned long)PFN_PHYS(max_low_pfn)); - set_max_mapnr(max_low_pfn); + set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET); #ifdef CONFIG_BLK_DEV_INITRD setup_initrd(); |