From: Sunghyun Jin mcsmonk@gmail.com
commit b3b33d3c43bbe0177d70653f4e889c78cc37f097 upstream.
Variable populated, which is a member of struct pcpu_chunk, is used as a unit of size of unsigned long. However, size of populated is miscounted. So, I fix this minor part.
Fixes: 8ab16c43ea79 ("percpu: change the number of pages marked in the first_chunk pop bitmap") Cc: stable@vger.kernel.org # 4.14+ Signed-off-by: Sunghyun Jin mcsmonk@gmail.com Signed-off-by: Dennis Zhou dennis@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- mm/percpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/percpu.c b/mm/percpu.c index ff76fa0b7528..0151f276ae68 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1103,7 +1103,7 @@ static struct pcpu_chunk * __init pcpu_alloc_first_chunk(unsigned long tmp_addr,
/* allocate chunk */ chunk = memblock_virt_alloc(sizeof(struct pcpu_chunk) + - BITS_TO_LONGS(region_size >> PAGE_SHIFT), + BITS_TO_LONGS(region_size >> PAGE_SHIFT) * sizeof(unsigned long), 0);
INIT_LIST_HEAD(&chunk->list);