From: Mike Rapoport <rppt@linux.vnet.ibm.com>
To: Dennis Zhou <dennis@kernel.org>
Cc: Tejun Heo <tj@kernel.org>, Christoph Lameter <cl@linux.com>,
Roman Gushchin <guro@fb.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Mike Rapoport <rppt@linux.vnet.ibm.com>,
stable@vger.kernel.org
Subject: [PATCH] percpu: stop leaking bitmap metadata blocks
Date: Sun, 7 Oct 2018 11:31:51 +0300 [thread overview]
Message-ID: <1538901111-22823-1-git-send-email-rppt@linux.vnet.ibm.com> (raw)
The commit ca460b3c9627 ("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: ca460b3c9627 ("percpu: introduce bitmap metadata blocks")
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org
---
mm/percpu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/percpu.c b/mm/percpu.c
index d21cb13..25104cd 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -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);
--
2.7.4
next reply other threads:[~2018-10-07 8:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-07 8:31 Mike Rapoport [this message]
2018-10-07 22:09 ` [PATCH] percpu: stop leaking bitmap metadata blocks Dennis Zhou
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