The purpose of these two MAX here is to get the maximum of these three variables:
A: map->nodes_nb + nodes B: map->nodes_nb_alloc C: alloc_hint We can write it like MAX(A, B, C). Since the if condition says A > B, this means MAX(A, B, C) = MAX(A, C). This patch just simplify the calculation a bit. Signed-off-by: Wei Yang <richardw.y...@linux.intel.com> --- exec.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/exec.c b/exec.c index 8e8b6bb1f9..78bf810ae8 100644 --- a/exec.c +++ b/exec.c @@ -226,8 +226,7 @@ static void phys_map_node_reserve(PhysPageMap *map, unsigned nodes) { static unsigned alloc_hint = 16; if (map->nodes_nb + nodes > map->nodes_nb_alloc) { - map->nodes_nb_alloc = MAX(map->nodes_nb_alloc, alloc_hint); - map->nodes_nb_alloc = MAX(map->nodes_nb_alloc, map->nodes_nb + nodes); + map->nodes_nb_alloc = MAX(alloc_hint, map->nodes_nb + nodes); map->nodes = g_renew(Node, map->nodes, map->nodes_nb_alloc); alloc_hint = map->nodes_nb_alloc; } -- 2.19.1