X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=fs%2Fproc%2Ftask_nommu.c;h=8f5c05d3dbd3e2aaa4abcd3fcc92af79e324daca;hp=64a72e2e76509545bf6c0d4d4e0788779baaab26;hb=3827119e207823ff0f3e85271bef7a0dc953ee38;hpb=020f932bd246e9d595f7a006250762d98ffeab46

diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 64a72e2e7650..8f5c05d3dbd3 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -189,6 +189,7 @@ static void *m_start(struct seq_file *m, loff_t *pos)
 		priv->task = NULL;
 		return NULL;
 	}
+	down_read(&mm->mmap_sem);
 
 	/* start from the Nth VMA */
 	for (p = rb_first(&mm->mm_rb); p; p = rb_next(p))