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[PATCH] powerpc numa: Get rid of "numa domain" terminology

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Since we effectively treat the domain ids given to us by firmare as
logical node ids, make this explicit (basically s/numa_domain/nid/).

No functional changes, only variable and function names are modified.

Signed-off-by: Nathan Lynch <nathanl@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Nathan Lynch 2006-03-20 18:35:45 -06:00 committed by Paul Mackerras
parent 2e5ce39d67
commit cf950b7af0
1 changed files with 39 additions and 39 deletions
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78
arch/powerpc/mm/numa.c
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@ -191,9 +191,9 @@ static int *of_get_associativity(struct device_node *dev)
return (unsigned int *)get_property(dev, "ibm,associativity", NULL);
}
static int of_node_numa_domain(struct device_node *device)
static int of_node_to_nid(struct device_node *device)
{
int numa_domain;
int nid;
unsigned int *tmp;
if (min_common_depth == -1)
@ -201,13 +201,13 @@ static int of_node_numa_domain(struct device_node *device)
tmp = of_get_associativity(device);
if (tmp && (tmp[0] >= min_common_depth)) {
numa_domain = tmp[min_common_depth];
nid = tmp[min_common_depth];
} else {
dbg("WARNING: no NUMA information for %s\n",
device->full_name);
numa_domain = 0;
nid = 0;
}
return numa_domain;
return nid;
}
/*
@ -286,7 +286,7 @@ static unsigned long __devinit read_n_cells(int n, unsigned int **buf)
*/
static int __cpuinit numa_setup_cpu(unsigned long lcpu)
{
int numa_domain = 0;
int nid = 0;
struct device_node *cpu = find_cpu_node(lcpu);
if (!cpu) {
@ -294,27 +294,27 @@ static int __cpuinit numa_setup_cpu(unsigned long lcpu)
goto out;
}
numa_domain = of_node_numa_domain(cpu);
nid = of_node_to_nid(cpu);
if (numa_domain >= num_online_nodes()) {
if (nid >= num_online_nodes()) {
/*
* POWER4 LPAR uses 0xffff as invalid node,
* dont warn in this case.
*/
if (numa_domain != 0xffff)
if (nid != 0xffff)
printk(KERN_ERR "WARNING: cpu %ld "
"maps to invalid NUMA node %d\n",
lcpu, numa_domain);
numa_domain = 0;
lcpu, nid);
nid = 0;
}
out:
node_set_online(numa_domain);
node_set_online(nid);
map_cpu_to_node(lcpu, numa_domain);
map_cpu_to_node(lcpu, nid);
of_node_put(cpu);
return numa_domain;
return nid;
}
static int cpu_numa_callback(struct notifier_block *nfb,
@ -399,17 +399,17 @@ static int __init parse_numa_properties(void)
* with larger node ids. In that case we force the cpu into node 0.
*/
for_each_cpu(i) {
int numa_domain;
int nid;
cpu = find_cpu_node(i);
if (cpu) {
numa_domain = of_node_numa_domain(cpu);
nid = of_node_to_nid(cpu);
of_node_put(cpu);
if (numa_domain < MAX_NUMNODES &&
max_domain < numa_domain)
max_domain = numa_domain;
if (nid < MAX_NUMNODES &&
max_domain < nid)
max_domain = nid;
}
}
@ -418,7 +418,7 @@ static int __init parse_numa_properties(void)
while ((memory = of_find_node_by_type(memory, "memory")) != NULL) {
unsigned long start;
unsigned long size;
int numa_domain;
int nid;
int ranges;
unsigned int *memcell_buf;
unsigned int len;
@ -439,18 +439,18 @@ new_range:
start = read_n_cells(n_mem_addr_cells, &memcell_buf);
size = read_n_cells(n_mem_size_cells, &memcell_buf);
numa_domain = of_node_numa_domain(memory);
nid = of_node_to_nid(memory);
if (numa_domain >= MAX_NUMNODES) {
if (numa_domain != 0xffff)
if (nid >= MAX_NUMNODES) {
if (nid != 0xffff)
printk(KERN_ERR "WARNING: memory at %lx maps "
"to invalid NUMA node %d\n", start,
numa_domain);
numa_domain = 0;
nid);
nid = 0;
}
if (max_domain < numa_domain)
max_domain = numa_domain;
if (max_domain < nid)
max_domain = nid;
if (!(size = numa_enforce_memory_limit(start, size))) {
if (--ranges)
@ -459,7 +459,7 @@ new_range:
continue;
}
add_region(numa_domain, start >> PAGE_SHIFT,
add_region(nid, start >> PAGE_SHIFT,
size >> PAGE_SHIFT);
if (--ranges)
@ -769,10 +769,10 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
{
struct device_node *memory = NULL;
nodemask_t nodes;
int numa_domain = 0;
int nid = 0;
if (!numa_enabled || (min_common_depth < 0))
return numa_domain;
return nid;
while ((memory = of_find_node_by_type(memory, "memory")) != NULL) {
unsigned long start, size;
@ -789,15 +789,15 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
ha_new_range:
start = read_n_cells(n_mem_addr_cells, &memcell_buf);
size = read_n_cells(n_mem_size_cells, &memcell_buf);
numa_domain = of_node_numa_domain(memory);
nid = of_node_to_nid(memory);
/* Domains not present at boot default to 0 */
if (!node_online(numa_domain))
numa_domain = any_online_node(NODE_MASK_ALL);
if (!node_online(nid))
nid = any_online_node(NODE_MASK_ALL);
if ((scn_addr >= start) && (scn_addr < (start + size))) {
of_node_put(memory);
goto got_numa_domain;
goto got_nid;
}
if (--ranges) /* process all ranges in cell */
@ -806,12 +806,12 @@ ha_new_range:
BUG(); /* section address should be found above */
/* Temporary code to ensure that returned node is not empty */
got_numa_domain:
got_nid:
nodes_setall(nodes);
while (NODE_DATA(numa_domain)->node_spanned_pages == 0) {
node_clear(numa_domain, nodes);
numa_domain = any_online_node(nodes);
while (NODE_DATA(nid)->node_spanned_pages == 0) {
node_clear(nid, nodes);
nid = any_online_node(nodes);
}
return numa_domain;
return nid;
}
#endif /* CONFIG_MEMORY_HOTPLUG */