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commit c350a1d466707eb01333ed22238664f3482df25a
parent 3a0671e7ba195c5cb9b1a43265ef24a0875afcaa
Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date:   Wed, 10 Oct 2018 08:47:32 +0200

Merge branch 'for-4.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu

Dennis writes:
  "percpu fixes for-4.19-rc8

   The new percpu allocator introduced in 4.14 had a missing free for
   the percpu metadata. This caused a memory leak when percpu memory is
   being churned resulting in the allocation and deallocation of percpu
   memory chunks"

* 'for-4.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
  percpu: stop leaking bitmap metadata blocks

Mmm/percpu.c | 1+
1 file changed, 1 insertion(+), 0 deletions(-)

diff --git 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);