diff options
| author | Jianguo Wu <wujianguo@huawei.com> | 2013-11-13 00:07:39 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-13 04:09:06 +0100 |
| commit | b76ac7e734608d706bf225be062a7a46d165dda6 (patch) | |
| tree | 1ded9a6416a9f39044ead1aee578f0fc67a5acc1 | |
| parent | mm: thp: khugepaged: add policy for finding target node (diff) | |
| download | linux-b76ac7e734608d706bf225be062a7a46d165dda6.tar.xz linux-b76ac7e734608d706bf225be062a7a46d165dda6.zip | |
mm/mempolicy: use NUMA_NO_NODE
Use more appropriate NUMA_NO_NODE instead of -1
Signed-off-by: Jianguo Wu <wujianguo@huawei.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/mempolicy.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 260b8213a873..4cc19f6ab6c6 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -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) |