1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/ia64/err_inject.txt b/Documentation/ia64/err_inject.txt
index 223e4f0582d0..9f651c181429 100644
--- a/Documentation/ia64/err_inject.txt
+++ b/Documentation/ia64/err_inject.txt
@@ -882,7 +882,7 @@ int err_inj()
                         cpu=parameters[i].cpu;
                         k = cpu%64;
                         j = cpu/64;
-                        mask[j]=1<<k;
+                        mask[j] = 1UL << k;
 
                         if (sched_setaffinity(0, MASK_SIZE*8, mask)==-1) {
                                 perror("Error sched_setaffinity:");