From: Guenter Roeck <linux@xxxxxxxxxxxx>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit bb2e226b3bef596dd56be97df655d857b4603923 upstream.
This reverts commit 3189eddbcafc ("percpu: free percpu allocation info for
uniprocessor system").
The commit causes a hang with a crisv32 image. This may be an architecture
problem, but at least for now the revert is necessary to be able to boot a
crisv32 image.
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Honggang Li <enjoymindful@xxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Fixes: 3189eddbcafc ("percpu: free percpu allocation info for uniprocessor system")
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
mm/percpu.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/mm/percpu.c b/mm/percpu.c
index 9bc1bf914cc8..25e2ea52db82 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1910,8 +1910,6 @@ void __init setup_per_cpu_areas(void)
if (pcpu_setup_first_chunk(ai, fc) < 0)
panic("Failed to initialize percpu areas.");
-
- pcpu_free_alloc_info(ai);
}
#endif /* CONFIG_SMP */
--
2.1.3
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