X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=mm%2Fmsync.c;h=c3bd3e75f68764514e6f92914b4f05253146a3ea;hb=3b7830904e17202524bad1974505a9bfc718d31f;hp=ef30a429623a2f8191d9364a0c9a8b4aab0ddc8e;hpb=d025fbf1a2cd1d60f39579d331a9accf84c5ec5b;p=linux.git

diff --git a/mm/msync.c b/mm/msync.c
index ef30a429623a..c3bd3e75f687 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -37,6 +37,8 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
 	int unmapped_error = 0;
 	int error = -EINVAL;
 
+	start = untagged_addr(start);
+
 	if (flags & ~(MS_ASYNC | MS_INVALIDATE | MS_SYNC))
 		goto out;
 	if (offset_in_page(start))