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-rw-r--r--mm/mlock.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index a90099da4fb4..a72c1eeded77 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -674,6 +674,8 @@ static __must_check int do_mlock(unsigned long start, size_t len, vm_flags_t fla
unsigned long lock_limit;
int error = -ENOMEM;
+ start = untagged_addr(start);
+
if (!can_do_mlock())
return -EPERM;
@@ -735,6 +737,8 @@ SYSCALL_DEFINE2(munlock, unsigned long, start, size_t, len)
{
int ret;
+ start = untagged_addr(start);
+
len = PAGE_ALIGN(len + (offset_in_page(start)));
start &= PAGE_MASK;