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| author | Tony Lindgren <tony@atomide.com> | 2010-12-10 20:44:39 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-12-10 20:44:39 +0300 |
| commit | 67b738ef32df7ec429004866d2a739a3775894d2 (patch) | |
| tree | 5c67fa0cea6cc7298321480eda2df04bef795305 /mm/mempolicy.c | |
| parent | c451278c2864e253a4bb303b596a29edc3bb527c (diff) | |
| parent | 5d190c40100793a6dfc37bf325677c10f3c80edf (diff) | |
| download | linux-67b738ef32df7ec429004866d2a739a3775894d2.tar.xz | |
Merge branch 'devel-omap-irq' into omap-for-linus
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 4a57f135b76e..11ff260fb282 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1307,15 +1307,18 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, goto out; /* Find the mm_struct */ + rcu_read_lock(); read_lock(&tasklist_lock); task = pid ? find_task_by_vpid(pid) : current; if (!task) { read_unlock(&tasklist_lock); + rcu_read_unlock(); err = -ESRCH; goto out; } mm = get_task_mm(task); read_unlock(&tasklist_lock); + rcu_read_unlock(); err = -EINVAL; if (!mm) |