Commit 3f04ba859597412afbfb31f2fcbe289f2461f9a1
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vmalloc: fix use of non-existent percpu variable in put_cpu_var()
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>
Showing 1 changed file with 2 additions and 2 deletions Side-by-side Diff
mm/vmalloc.c
| ... | ... | @@ -760,7 +760,7 @@ |
| 760 | 760 | spin_lock(&vbq->lock); |
| 761 | 761 | list_add(&vb->free_list, &vbq->free); |
| 762 | 762 | spin_unlock(&vbq->lock); |
| 763 | - put_cpu_var(vmap_cpu_blocks); | |
| 763 | + put_cpu_var(vmap_block_queue); | |
| 764 | 764 | |
| 765 | 765 | return vb; |
| 766 | 766 | } |
| ... | ... | @@ -825,7 +825,7 @@ |
| 825 | 825 | } |
| 826 | 826 | spin_unlock(&vb->lock); |
| 827 | 827 | } |
| 828 | - put_cpu_var(vmap_cpu_blocks); | |
| 828 | + put_cpu_var(vmap_block_queue); | |
| 829 | 829 | rcu_read_unlock(); |
| 830 | 830 | |
| 831 | 831 | if (!addr) { |