mm: use NUMA_NO_NODE

Make a sweep through mm/ and convert code that uses -1 directly to using
the more appropriate NUMA_NO_NODE.

Signed-off-by: David Rientjes <rientjes@google.com>
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index e2661d1c5c33..31d26637b658 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -26,7 +26,7 @@
  *                the allocation to memory nodes instead
  *
  * preferred       Try a specific node first before normal fallback.
- *                As a special case node -1 here means do the allocation
+ *                As a special case NUMA_NO_NODE here means do the allocation
  *                on the local CPU. This is normally identical to default,
  *                but useful to set in a VMA when you have a non default
  *                process policy.
@@ -127,7 +127,7 @@ static struct mempolicy *get_task_policy(struct task_struct *p)
 
         if (!pol) {
                 node = numa_node_id();
-                if (node != -1)
+                if (node != NUMA_NO_NODE)
                         pol = &preferred_node_policy[node];
 
                 /* preferred_node_policy is not initialised early in boot */
@@ -258,7 +258,7 @@ static struct mempolicy *mpol_new(unsigned short mode, unsigned short flags,
         struct mempolicy *policy;
 
         pr_debug("setting mode %d flags %d nodes[0] %lx\n",
-                 mode, flags, nodes ? nodes_addr(*nodes)[0] : -1);
+                 mode, flags, nodes ? nodes_addr(*nodes)[0] : NUMA_NO_NODE);
 
         if (mode == MPOL_DEFAULT) {
                 if (nodes && !nodes_empty(*nodes))
@@ -1221,7 +1221,7 @@ static long do_mbind(unsigned long start, unsigned long len,
 
         pr_debug("mbind %lx-%lx mode:%d flags:%d nodes:%lx\n",
                  start, start + len, mode, mode_flags,
-                 nmask ? nodes_addr(*nmask)[0] : -1);
+                 nmask ? nodes_addr(*nmask)[0] : NUMA_NO_NODE);
 
         if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)) {
 
@@ -2488,7 +2488,7 @@ int mpol_set_shared_policy(struct shared_policy *info,
                  vma->vm_pgoff,
                  sz, npol ? npol->mode : -1,
                  npol ? npol->flags : -1,
-                 npol ? nodes_addr(npol->v.nodes)[0] : -1);
+                 npol ? nodes_addr(npol->v.nodes)[0] : NUMA_NO_NODE);
 
         if (npol) {
                 new = sp_alloc(vma->vm_pgoff, vma->vm_pgoff + sz, npol);