diff options
Diffstat (limited to 'arch/x86/mm/init_64.c')
| -rw-r--r-- | arch/x86/mm/init_64.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 54c437e96541..23f68e77ad1f 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c | |||
| @@ -888,6 +888,8 @@ int devmem_is_allowed(unsigned long pagenr) | |||
| 888 | { | 888 | { |
| 889 | if (pagenr <= 256) | 889 | if (pagenr <= 256) |
| 890 | return 1; | 890 | return 1; |
| 891 | if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) | ||
| 892 | return 0; | ||
| 891 | if (!page_is_ram(pagenr)) | 893 | if (!page_is_ram(pagenr)) |
| 892 | return 1; | 894 | return 1; |
| 893 | return 0; | 895 | return 0; |