diff options
| -rw-r--r-- | arch/arm64/kernel/setup.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 48ffb9fb3fe..7665a9bfdb1 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -170,7 +170,19 @@ static void __init setup_machine_fdt(phys_addr_t dt_phys) void __init early_init_dt_add_memory_arch(u64 base, u64 size) { + base &= PAGE_MASK; size &= PAGE_MASK; + if (base + size < PHYS_OFFSET) { + pr_warning("Ignoring memory block 0x%llx - 0x%llx\n", + base, base + size); + return; + } + if (base < PHYS_OFFSET) { + pr_warning("Ignoring memory range 0x%llx - 0x%llx\n", + base, PHYS_OFFSET); + size -= PHYS_OFFSET - base; + base = PHYS_OFFSET; + } memblock_add(base, size); } |