To support shmem large folio swapout in the following patches, using xa_get_order() to get the order of the swap entry to calculate the swap usage of shmem. Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> --- mm/shmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/shmem.c b/mm/shmem.c index b90965486631..012a06ef39aa 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -870,7 +870,7 @@ unsigned long shmem_partial_swap_usage(struct address_space *mapping, if (xas_retry(&xas, page)) continue; if (xa_is_value(page)) - swapped++; + swapped += 1 << xa_get_order(xas.xa, xas.xa_index); if (xas.xa_index == max) break; if (need_resched()) { -- 2.39.3