diff options
Diffstat (limited to 'arch/mips/mm/ioremap.c')
| -rw-r--r-- | arch/mips/mm/ioremap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c index cacfd31..7657fd2 100644 --- a/arch/mips/mm/ioremap.c +++ b/arch/mips/mm/ioremap.c @@ -190,3 +190,9 @@ void __iounmap(const volatile void __iomem *addr) EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(__iounmap); + +int __virt_addr_valid(const volatile void *kaddr) +{ + return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); +} +EXPORT_SYMBOL_GPL(__virt_addr_valid); |