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authorH. Peter Anvin <hpa@zytor.com>2009-08-25 15:40:29 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-08-25 15:40:29 -0700
commite8a2eb47e6ca03d4a4f98f0beef73720c5dddc0c (patch)
tree31c4d7718111abddfaaa8d3fb14ab4a7e2554cd9 /fs/proc/task_mmu.c
parent8b5a10fc6fd02289ea03480f93382b1a99006142 (diff)
parentc62e43202e7cf50ca24bce58b255df7bf5de69d0 (diff)
Merge commit 'origin/x86/urgent' into x86/asm
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;