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>
This commit is contained in:
David Rientjes
2013-02-22 16:35:36 -08:00
committed by Linus Torvalds
parent 751efd8610
commit 00ef2d2f84
4 changed files with 26 additions and 23 deletions

View File

@@ -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);