rbd: introduce rbd_is_snap()

[linux-2.6-microblaze.git] / mm / mprotect.c

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 675e5d3..7967825 100644 (file)
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -459,6 +459,8 @@ static int do_mprotect_pkey(unsigned long start, size_t len,
        const bool rier = (current->personality & READ_IMPLIES_EXEC) &&
                                (prot & PROT_READ);
 
+       start = untagged_addr(start);
+
        prot &= ~(PROT_GROWSDOWN|PROT_GROWSUP);
        if (grows == (PROT_GROWSDOWN|PROT_GROWSUP)) /* can't be both */
                return -EINVAL;