Commit b76ac7e7 authored by Jianguo Wu's avatar Jianguo Wu Committed by Linus Torvalds

mm/mempolicy: use NUMA_NO_NODE

Use more appropriate NUMA_NO_NODE instead of -1
Signed-off-by: default avatarJianguo Wu <wujianguo@huawei.com>
Acked-by: default avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9f1b868a
......@@ -1125,7 +1125,7 @@ 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) {
......@@ -1160,7 +1160,7 @@ 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);
......@@ -1835,7 +1835,7 @@ 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();
......@@ -1872,11 +1872,11 @@ 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)
......
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