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mm/mempolicy: use NUMA_NO_NODE

PATCH RESEND In review Jianguo Wu 2 participants 2 messages Sep 17, 2013 – Sep 19, 2013

Subsystems (2)
Memory management MM NUMA placement
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Jianguo Wu

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PATCH RESEND 1/1 mm/mempolicy: use NUMA_NO_NODE

Use more appropriate NUMA_NO_NODE instead of -1

Signed-off-by Jianguo Wu <[email protected]>
Acked-by KOSAKI Motohiro <[email protected]>
---
 mm/mempolicy.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
mm/mempolicy.c +5 -5
index 4baf12e..4f0cd20 100644
@@ -1083,7 +1083,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
 	tmp = *from;
 	while (!nodes_empty(tmp)) {
 		int s,d;
-		int source = -1;
+		int source = NUMA_NO_NODE;
 		int dest = 0;
 
 		for_each_node_mask(s, tmp) {

@@ -1118,7 +1118,7 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
 			if (!node_isset(dest, tmp))
 				break;
 		}
-		if (source == -1)
+		if (source == NUMA_NO_NODE)
 			break;
 
 		node_clear(source, tmp);

@@ -1765,7 +1765,7 @@ static unsigned offset_il_node(struct mempolicy *pol,
 	unsigned nnodes = nodes_weight(pol->v.nodes);
 	unsigned target;
 	int c;
-	int nid = -1;
+	int nid = NUMA_NO_NODE;
 
 	if (!nnodes)
 		return numa_node_id();

@@ -1802,11 +1802,11 @@ static inline unsigned interleave_nid(struct mempolicy *pol,
 
 /*
  * Return the bit number of a random bit set in the nodemask.
- * (returns -1 if nodemask is empty)
+ * (returns NUMA_NO_NODE if nodemask is empty)
  */
 int node_random(const nodemask_t *maskp)
 {
-	int w, bit = -1;
+	int w, bit = NUMA_NO_NODE;
 
 	w = nodes_weight(*maskp);
 	if (w)
Signature · 8 lines
1.7.1


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Acked-by on v1 1/1
#1 lore raw
Quoted 4 lines · Jianguo Wu

Use more appropriate NUMA_NO_NODE instead of -1

Signed-off-by Jianguo Wu <[email protected]>
Acked-by KOSAKI Motohiro <[email protected]>
Acked-by David Rientjes <[email protected]>

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