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(-)
--- a/mm/percpu.c +++ b/mm/percpu.c @@ -1300,7 +1300,7 @@ static struct pcpu_chunk * __init pcpu_a
/* allocate chunk */ alloc_size = sizeof(struct pcpu_chunk) + - BITS_TO_LONGS(region_size >> PAGE_SHIFT); + BITS_TO_LONGS(region_size >> PAGE_SHIFT) * sizeof(unsigned long); chunk = memblock_alloc(alloc_size, SMP_CACHE_BYTES); if (!chunk) panic("%s: Failed to allocate %zu bytes\n", __func__,