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authorIngo Molnar <mingo@elte.hu>2009-08-15 18:55:58 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-15 18:56:13 +0200
commitfa08661af834875c9bd6f7f0b1b9388dc72a6585 (patch)
treec381fcfcfeb38515bfa93445c80ad9231343414d /fs/proc/task_mmu.c
parent240ebbf81f149b11a31e060ebe5ee51a3c775360 (diff)
parent64f1607ffbbc772685733ea63e6f7f4183df1b16 (diff)
Merge commit 'v2.6.31-rc6' into core/rcu
Merge reason: the branch was on pre-rc1 .30, update to latest. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/proc/task_mmu.c')
-rw-r--r--fs/proc/task_mmu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 6f61b7cc32e..9bd8be1d235 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -119,6 +119,7 @@ static void *m_start(struct seq_file *m, loff_t *pos)
mm = mm_for_maps(priv->task);
if (!mm)
return NULL;
+ down_read(&mm->mmap_sem);
tail_vma = get_gate_vma(priv->task);
priv->tail_vma = tail_vma;