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mm/page_alloc.c: use NODE_MASK_NONE in build_zonelists() 

Slightly simplify the code by initializing user_mask with NODE_MASK_NONE,
instead of later calling nodes_clear().  This saves a line of code.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Link: http://lkml.kernel.org/r/20200330220840.21228-1-richard.weiyang@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wei Yang 2020-06-03 15:59:05 -07:00 committed by Linus Torvalds
parent 97a225e69a
commit d0ddf49b7c
1 changed files with 1 additions and 2 deletions
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3
mm/page_alloc.c
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@ -5692,14 +5692,13 @@ 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 = NODE_MASK_NONE;
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) {