diff options
| -rw-r--r-- | arch/arm64/mm/ioremap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/mm/ioremap.c b/arch/arm64/mm/ioremap.c index 10e246f11271..b12cbed9b5ad 100644 --- a/arch/arm64/mm/ioremap.c +++ b/arch/arm64/mm/ioremap.c @@ -24,7 +24,8 @@ void __iomem *ioremap_prot(phys_addr_t phys_addr, size_t size, return NULL; /* Don't allow RAM to be mapped. */ - if (WARN_ON(pfn_is_map_memory(__phys_to_pfn(phys_addr)))) + if (WARN_ONCE(pfn_is_map_memory(__phys_to_pfn(phys_addr)), + "ioremap attempted on RAM pfn\n")) return NULL; /* |