diff options
Diffstat (limited to 'kernel/resource.c')
| -rw-r--r-- | kernel/resource.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/resource.c b/kernel/resource.c index 74877e9d90ca..76036a41143b 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -487,8 +487,8 @@ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages, while (start < end && !find_next_iomem_res(start, end, flags, IORES_DESC_NONE, false, &res)) { - pfn = (res.start + PAGE_SIZE - 1) >> PAGE_SHIFT; - end_pfn = (res.end + 1) >> PAGE_SHIFT; + pfn = PFN_UP(res.start); + end_pfn = PFN_DOWN(res.end + 1); if (end_pfn > pfn) ret = (*func)(pfn, end_pfn - pfn, arg); if (ret) |