1 files changed, 2 insertions, 0 deletions

diff --git a/tools/testing/selftests/vm/compaction_test.c b/tools/testing/selftests/vm/compaction_test.c
index a65b016d4c13..1097f04e4d80 100644
--- a/tools/testing/selftests/vm/compaction_test.c
+++ b/tools/testing/selftests/vm/compaction_test.c
@@ -137,6 +137,8 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size)
         printf("No of huge pages allocated = %d\n",
                (atoi(nr_hugepages)));
 
+        lseek(fd, 0, SEEK_SET);
+
         if (write(fd, initial_nr_hugepages, strlen(initial_nr_hugepages))
             != strlen(initial_nr_hugepages)) {
                 perror("Failed to write value to /proc/sys/vm/nr_hugepages\n");