diff options
Diffstat (limited to 'mm/memblock.c')
| -rw-r--r-- | mm/memblock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index 284154445409..0a53db4d9f7b 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -2167,6 +2167,9 @@ static unsigned long __init __free_memory_core(phys_addr_t start, unsigned long start_pfn = PFN_UP(start); unsigned long end_pfn = PFN_DOWN(end); + if (!IS_ENABLED(CONFIG_HIGHMEM) && end_pfn > max_low_pfn) + end_pfn = max_low_pfn; + if (start_pfn >= end_pfn) return 0; |