diff options
Diffstat (limited to 'mm/migrate.c')
-rw-r--r-- | mm/migrate.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index 766115253807..352de555626c 100644 --- a/mm/migrate.c +++ b/mm/migrate.c | |||
@@ -1287,14 +1287,14 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages, | |||
1287 | return -EPERM; | 1287 | return -EPERM; |
1288 | 1288 | ||
1289 | /* Find the mm_struct */ | 1289 | /* Find the mm_struct */ |
1290 | read_lock(&tasklist_lock); | 1290 | rcu_read_lock(); |
1291 | task = pid ? find_task_by_vpid(pid) : current; | 1291 | task = pid ? find_task_by_vpid(pid) : current; |
1292 | if (!task) { | 1292 | if (!task) { |
1293 | read_unlock(&tasklist_lock); | 1293 | rcu_read_unlock(); |
1294 | return -ESRCH; | 1294 | return -ESRCH; |
1295 | } | 1295 | } |
1296 | mm = get_task_mm(task); | 1296 | mm = get_task_mm(task); |
1297 | read_unlock(&tasklist_lock); | 1297 | rcu_read_unlock(); |
1298 | 1298 | ||
1299 | if (!mm) | 1299 | if (!mm) |
1300 | return -EINVAL; | 1300 | return -EINVAL; |