MAX_NUMNODES is typically used for sizing arrays. NUMA_NO_NODE is the
usual value for "we don't know what node this is on," e.g., it is the
error return from acpi_get_node().
This changes the ioc->node value for unknown nodes from MAX_NUMNODES to
NUMA_NO_NODE.
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
arch/ia64/hp/common/sba_iommu.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index 8e858b593e4f..a52d6b49b7ce 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -1140,11 +1140,13 @@ sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
#ifdef CONFIG_NUMA
{
+ int node = ioc->node;
struct page *page;
- page = alloc_pages_exact_node(ioc->node == MAX_NUMNODES ?
- numa_node_id() : ioc->node, flags,
- get_order(size));
+ if (node == NUMA_NO_NODE)
+ node = numa_node_id();
+
+ page = alloc_pages_exact_node(node, flags, get_order(size));
if (unlikely(!page))
return NULL;
@@ -1914,7 +1916,7 @@ ioc_show(struct seq_file *s, void *v)
seq_printf(s, "Hewlett Packard %s IOC rev %d.%d\n",
ioc->name, ((ioc->rev >> 4) & 0xF), (ioc->rev & 0xF));
#ifdef CONFIG_NUMA
- if (ioc->node != MAX_NUMNODES)
+ if (ioc->node != NUMA_NO_NODE)
seq_printf(s, "NUMA node : %d\n", ioc->node);
#endif
seq_printf(s, "IOVA size : %ld MB\n", ((ioc->pdir_size >> 3) * iovp_size)/(1024*1024));
@@ -2022,7 +2024,7 @@ sba_map_ioc_to_node(struct ioc *ioc, acpi_handle handle)
unsigned int node;
int pxm;
- ioc->node = MAX_NUMNODES;
+ ioc->node = NUMA_NO_NODE;
pxm = acpi_get_pxm(handle);
@@ -2031,7 +2033,7 @@ sba_map_ioc_to_node(struct ioc *ioc, acpi_handle handle)
node = pxm_to_node(pxm);
- if (node >= MAX_NUMNODES || !node_online(node))
+ if (node == NUMA_NO_NODE || !node_online(node))
return;
ioc->node = node;
--
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