summaryrefslogtreecommitdiffstats
path: root/arch/mips/mm/mmap.c
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2013-02-04 22:56:41 -0800
committerOlof Johansson <olof@lixom.net>2013-02-04 22:56:41 -0800
commit469da62096e23adc755c1268b00b5fc7a214151b (patch)
treefefd055fdae584e38d551f44d1339eb22cee4ed9 /arch/mips/mm/mmap.c
parent4227961650884a06757f80877d5dce0bddc723d4 (diff)
parent88b62b915b0b7e25870eb0604ed9a92ba4bfc9f7 (diff)
Merge tag 'v3.8-rc6' into next/soc
Linux 3.8-rc6
Diffstat (limited to 'arch/mips/mm/mmap.c')
-rw-r--r--arch/mips/mm/mmap.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
index d9be7540a6b..7e5fe2790d8 100644
--- a/arch/mips/mm/mmap.c
+++ b/arch/mips/mm/mmap.c
@@ -192,3 +192,9 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
return ret;
}
+
+int __virt_addr_valid(const volatile void *kaddr)
+{
+ return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
+}
+EXPORT_SYMBOL_GPL(__virt_addr_valid);