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yaml
---
r: 81364
b: refs/heads/master
c: 55852be
h: refs/heads/master
v: v3
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Paul Mackerras committed Jan 26, 2008
1 parent 04e0207 commit 471ee74
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Showing 2 changed files with 6 additions and 55 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 75e06e2d7dd48ba655789e143e81c73617737890
refs/heads/master: 55852bed57a97b08ab56028f1054d48d45de3aec
59 changes: 5 additions & 54 deletions trunk/arch/powerpc/mm/numa.c
Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,6 @@

static int numa_enabled = 1;

static char *cmdline __initdata;

static int numa_debug;
#define dbg(args...) if (numa_debug) { printk(KERN_INFO args); }

Expand All @@ -41,43 +39,6 @@ static bootmem_data_t __initdata plat_node_bdata[MAX_NUMNODES];
static int min_common_depth;
static int n_mem_addr_cells, n_mem_size_cells;

static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn,
unsigned int *nid)
{
unsigned long long mem;
char *p = cmdline;
static unsigned int fake_nid = 0;
static unsigned long long curr_boundary = 0;

*nid = fake_nid;
if (!p)
return 0;

mem = memparse(p, &p);
if (!mem)
return 0;

if (mem < curr_boundary)
return 0;

curr_boundary = mem;

if ((end_pfn << PAGE_SHIFT) > mem) {
/*
* Skip commas and spaces
*/
while (*p == ',' || *p == ' ' || *p == '\t')
p++;

cmdline = p;
fake_nid++;
*nid = fake_nid;
dbg("created new fake_node with id %d\n", fake_nid);
return 1;
}
return 0;
}

static void __cpuinit map_cpu_to_node(int cpu, int node)
{
numa_cpu_lookup_table[cpu] = node;
Expand Down Expand Up @@ -383,14 +344,12 @@ static void __init parse_drconf_memory(struct device_node *memory)
if (nid == 0xffff || nid >= MAX_NUMNODES)
nid = default_nid;
}
node_set_online(nid);

size = numa_enforce_memory_limit(start, lmb_size);
if (!size)
continue;

fake_numa_create_new_node(((start + size) >> PAGE_SHIFT), &nid);
node_set_online(nid);

add_active_range(nid, start >> PAGE_SHIFT,
(start >> PAGE_SHIFT) + (size >> PAGE_SHIFT));
}
Expand Down Expand Up @@ -470,6 +429,7 @@ static int __init parse_numa_properties(void)
nid = of_node_to_nid_single(memory);
if (nid < 0)
nid = default_nid;
node_set_online(nid);

if (!(size = numa_enforce_memory_limit(start, size))) {
if (--ranges)
Expand All @@ -478,9 +438,6 @@ static int __init parse_numa_properties(void)
continue;
}

fake_numa_create_new_node(((start + size) >> PAGE_SHIFT), &nid);
node_set_online(nid);

add_active_range(nid, start >> PAGE_SHIFT,
(start >> PAGE_SHIFT) + (size >> PAGE_SHIFT));

Expand All @@ -504,7 +461,7 @@ static void __init setup_nonnuma(void)
unsigned long top_of_ram = lmb_end_of_DRAM();
unsigned long total_ram = lmb_phys_mem_size();
unsigned long start_pfn, end_pfn;
unsigned int i, nid = 0;
unsigned int i;

printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
top_of_ram, total_ram);
Expand All @@ -514,11 +471,9 @@ static void __init setup_nonnuma(void)
for (i = 0; i < lmb.memory.cnt; ++i) {
start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);

fake_numa_create_new_node(end_pfn, &nid);
add_active_range(nid, start_pfn, end_pfn);
node_set_online(nid);
add_active_range(0, start_pfn, end_pfn);
}
node_set_online(0);
}

void __init dump_numa_cpu_topology(void)
Expand Down Expand Up @@ -747,10 +702,6 @@ static int __init early_numa(char *p)
if (strstr(p, "debug"))
numa_debug = 1;

p = strstr(p, "fake=");
if (p)
cmdline = p + strlen("fake=");

return 0;
}
early_param("numa", early_numa);
Expand Down

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