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);
Hi Mike,
On Sun, Oct 07, 2018 at 11:31:51AM +0300, Mike Rapoport wrote:
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);
Ah a bit of a boneheaded miss on my part.. Thanks for catching this! I've applied it to for-4.19-fixes.
Thanks, Dennis
linux-stable-mirror@lists.linaro.org
-
Dennis Zhou -
Mike Rapoport