mm/page_alloc.c: clean code by removing unnecessary initialization

Previously variable 'tmp' was initialized, but was not read later before
reassigning.  So the initialization can be removed.

[akpm@linux-foundation.org: remove `tmp' altogether]

Signed-off-by: Mateusz Nosek <mateusznosek0@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20200904132422.17387-1-mateusznosek0@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b9f9b51..316fff2 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5651,7 +5651,6 @@ static int find_next_best_node(int node, nodemask_t *used_node_mask)
        int n, val;
        int min_val = INT_MAX;
        int best_node = NUMA_NO_NODE;
-       const struct cpumask *tmp = cpumask_of_node(0);
 
        /* Use the local node if we haven't already */
        if (!node_isset(node, *used_node_mask)) {
@@ -5672,8 +5671,7 @@ static int find_next_best_node(int node, nodemask_t *used_node_mask)
                val += (n < node);
 
                /* Give preference to headless and unused nodes */
-               tmp = cpumask_of_node(n);
-               if (!cpumask_empty(tmp))
+               if (!cpumask_empty(cpumask_of_node(n)))
                        val += PENALTY_FOR_NODE_WITH_CPUS;
 
                /* Slight preference for less loaded node */