diff options
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/vm/compaction_test.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/tools/testing/selftests/vm/compaction_test.c b/tools/testing/selftests/vm/compaction_test.c index 932ff577ffc0..6d1437f895b8 100644 --- a/tools/testing/selftests/vm/compaction_test.c +++ b/tools/testing/selftests/vm/compaction_test.c @@ -101,7 +101,7 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) /* Start with the initial condition of 0 huge pages*/ if (write(fd, "0", sizeof(char)) != sizeof(char)) { - perror("Failed to write to /proc/sys/vm/nr_hugepages\n"); + perror("Failed to write 0 to /proc/sys/vm/nr_hugepages\n"); goto close_fd; } @@ -110,14 +110,14 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) /* Request a large number of huge pages. The Kernel will allocate as much as it can */ if (write(fd, "100000", (6*sizeof(char))) != (6*sizeof(char))) { - perror("Failed to write to /proc/sys/vm/nr_hugepages\n"); + perror("Failed to write 100000 to /proc/sys/vm/nr_hugepages\n"); goto close_fd; } lseek(fd, 0, SEEK_SET); if (read(fd, nr_hugepages, sizeof(nr_hugepages)) <= 0) { - perror("Failed to read from /proc/sys/vm/nr_hugepages\n"); + perror("Failed to re-read from /proc/sys/vm/nr_hugepages\n"); goto close_fd; } @@ -136,9 +136,9 @@ int check_compaction(unsigned long mem_free, unsigned int hugepage_size) printf("No of huge pages allocated = %d\n", (atoi(nr_hugepages))); - if (write(fd, initial_nr_hugepages, sizeof(initial_nr_hugepages)) + if (write(fd, initial_nr_hugepages, strlen(initial_nr_hugepages)) != strlen(initial_nr_hugepages)) { - perror("Failed to write to /proc/sys/vm/nr_hugepages\n"); + perror("Failed to write value to /proc/sys/vm/nr_hugepages\n"); goto close_fd; } |