Messages in this thread Patch in this message | | | From | Wei Yang <> | Subject | [PATCH 1/2] mm/page_alloc.c: leverage compiler to zero out used_mask | Date | Thu, 26 Mar 2020 22:24:44 +0000 |
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Since we always clear used_mask before getting node order, we can leverage compiler to do this instead of at run time.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com> --- mm/page_alloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 0e823bca3f2f..2144b6ceb119 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5587,14 +5587,13 @@ static void build_zonelists(pg_data_t *pgdat) { static int node_order[MAX_NUMNODES]; int node, load, nr_nodes = 0; - nodemask_t used_mask; + nodemask_t used_mask = {.bits = {0}}; int local_node, prev_node; /* NUMA-aware ordering of nodes */ local_node = pgdat->node_id; load = nr_online_nodes; prev_node = local_node; - nodes_clear(used_mask); memset(node_order, 0, sizeof(node_order)); while ((node = find_next_best_node(local_node, &used_mask)) >= 0) { -- 2.23.0
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