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| author | James Morris <jmorris@namei.org> | 2011-01-09 23:46:24 +0100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-01-09 23:46:24 +0100 |
| commit | d2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch) | |
| tree | 98a3741b4d4b27a48b3c7ea9babe331e539416a8 /mm/mempolicy.c | |
| parent | MAINTAINERS: Add tomoyo-dev-en ML. (diff) | |
| parent | Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/... (diff) | |
| download | linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.tar.xz linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.zip | |
Merge branch 'master' into next
Conflicts:
security/smack/smack_lsm.c
Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au>
Ok'd by Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
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) |