diff options
| -rw-r--r-- | arch/x86/mm/init.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index fec82b577c18..cee58a972cb2 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -706,7 +706,9 @@ void __init init_mem_mapping(void) */ int devmem_is_allowed(unsigned long pagenr) { - if (page_is_ram(pagenr)) { + if (region_intersects(PFN_PHYS(pagenr), PAGE_SIZE, + IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE) + != REGION_DISJOINT) { /* * For disallowed memory regions in the low 1MB range, * request that the page be shown as all zeros. |