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

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

mm/mempolicy.c

+5 −5
Original line number Diff line number Diff line
@@ -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)