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percpu: stop leaking bitmap metadata blocks 

The commit ca460b3c96 ("percpu: introduce bitmap metadata blocks")
introduced bitmap metadata blocks. These metadata blocks are allocated
whenever a new chunk is created, but they are never freed. Fix it.

Fixes: ca460b3c96 ("percpu: introduce bitmap metadata blocks")
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dennis Zhou <dennis@kernel.org>
This commit is contained in:
Mike Rapoport 2018-10-07 11:31:51 +03:00 committed by Dennis Zhou
parent 0238df646e
commit 6685b35736
1 changed files with 1 additions and 0 deletions
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mm/percpu.c
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@ -1212,6 +1212,7 @@ static void pcpu_free_chunk(struct pcpu_chunk *chunk)
{
if (!chunk)
return;
pcpu_mem_free(chunk->md_blocks);
pcpu_mem_free(chunk->bound_map);
pcpu_mem_free(chunk->alloc_map);
pcpu_mem_free(chunk);