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Subject[PATCH 01/16] vmalloc: fix use of non-existent percpu variable in put_cpu_var()
Date
vmalloc used non-existent percpu variable vmap_cpu_blocks instead of
the intended vmap_block_queue. This went unnoticed because
put_cpu_var() didn't evaluate the parameter. Fix it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Nick Piggin <npiggin@suse.de>
---
mm/vmalloc.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 69511e6..b65cfe4 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -760,7 +760,7 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask)
spin_lock(&vbq->lock);
list_add(&vb->free_list, &vbq->free);
spin_unlock(&vbq->lock);
- put_cpu_var(vmap_cpu_blocks);
+ put_cpu_var(vmap_block_queue);

return vb;
}
@@ -825,7 +825,7 @@ again:
}
spin_unlock(&vb->lock);
}
- put_cpu_var(vmap_cpu_blocks);
+ put_cpu_var(vmap_block_queue);
rcu_read_unlock();

if (!addr) {
--
1.6.4.2


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