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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-03 10:15:11 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-03 10:15:11 +0100 |
| commit | 1fef891761ddcbd7e57ec3961a0fb748003222ac (patch) | |
| tree | d192f1677521e17f1a943f8df570dd6449aa0da8 /mm/mempolicy.c | |
| parent | d3d4b60b12369eded0ea0c5dffee0888ec4d80cd (diff) | |
| parent | 1d3f33d541312acd34bd2fa780396d111a0f73b1 (diff) | |
| download | kernel_samsung_crespo-1fef891761ddcbd7e57ec3961a0fb748003222ac.zip kernel_samsung_crespo-1fef891761ddcbd7e57ec3961a0fb748003222ac.tar.gz kernel_samsung_crespo-1fef891761ddcbd7e57ec3961a0fb748003222ac.tar.bz2 | |
Merge branch 'sgu/mxs-core-v8' of git://git.pengutronix.de/git/ukl/linux-2.6 into imx-for-2.6.38-new
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 4a57f13..11ff260 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) |