aboutsummaryrefslogtreecommitdiff
path: root/arch/ppc64/mm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc64/mm')
-rw-r--r--arch/ppc64/mm/init.c27
-rw-r--r--arch/ppc64/mm/numa.c43
2 files changed, 49 insertions, 21 deletions
diff --git a/arch/ppc64/mm/init.c b/arch/ppc64/mm/init.c
index c02dc9809ca..b3b1e9c1770 100644
--- a/arch/ppc64/mm/init.c
+++ b/arch/ppc64/mm/init.c
@@ -552,27 +552,18 @@ void __init do_init_bootmem(void)
/* Add all physical memory to the bootmem map, mark each area
* present.
*/
- for (i=0; i < lmb.memory.cnt; i++) {
- unsigned long base, size;
- unsigned long start_pfn, end_pfn;
-
- base = lmb.memory.region[i].base;
- size = lmb.memory.region[i].size;
-
- start_pfn = base >> PAGE_SHIFT;
- end_pfn = start_pfn + (size >> PAGE_SHIFT);
- memory_present(0, start_pfn, end_pfn);
-
- free_bootmem(base, size);
- }
+ for (i=0; i < lmb.memory.cnt; i++)
+ free_bootmem(lmb_start_pfn(&lmb.memory, i),
+ lmb_size_bytes(&lmb.memory, i));
/* reserve the sections we're already using */
- for (i=0; i < lmb.reserved.cnt; i++) {
- unsigned long base = lmb.reserved.region[i].base;
- unsigned long size = lmb.reserved.region[i].size;
+ for (i=0; i < lmb.reserved.cnt; i++)
+ reserve_bootmem(lmb_start_pfn(&lmb.reserved, i),
+ lmb_size_bytes(&lmb.reserved, i));
- reserve_bootmem(base, size);
- }
+ for (i=0; i < lmb.memory.cnt; i++)
+ memory_present(0, lmb_start_pfn(&lmb.memory, i),
+ lmb_end_pfn(&lmb.memory, i));
}
/*
diff --git a/arch/ppc64/mm/numa.c b/arch/ppc64/mm/numa.c
index c3116f0d788..cb864b8f275 100644
--- a/arch/ppc64/mm/numa.c
+++ b/arch/ppc64/mm/numa.c
@@ -440,8 +440,6 @@ new_range:
for (i = start ; i < (start+size); i += MEMORY_INCREMENT)
numa_memory_lookup_table[i >> MEMORY_INCREMENT_SHIFT] =
numa_domain;
- memory_present(numa_domain, start >> PAGE_SHIFT,
- (start + size) >> PAGE_SHIFT);
if (--ranges)
goto new_range;
@@ -483,7 +481,6 @@ static void __init setup_nonnuma(void)
for (i = 0 ; i < top_of_ram; i += MEMORY_INCREMENT)
numa_memory_lookup_table[i >> MEMORY_INCREMENT_SHIFT] = 0;
- memory_present(0, 0, init_node_data[0].node_end_pfn);
}
static void __init dump_numa_topology(void)
@@ -695,6 +692,46 @@ new_range:
size);
}
}
+ /*
+ * This loop may look famaliar, but we have to do it again
+ * after marking our reserved memory to mark memory present
+ * for sparsemem.
+ */
+ addr_cells = get_mem_addr_cells();
+ size_cells = get_mem_size_cells();
+ memory = NULL;
+ while ((memory = of_find_node_by_type(memory, "memory")) != NULL) {
+ unsigned long mem_start, mem_size;
+ int numa_domain, ranges;
+ unsigned int *memcell_buf;
+ unsigned int len;
+
+ memcell_buf = (unsigned int *)get_property(memory, "reg", &len);
+ if (!memcell_buf || len <= 0)
+ continue;
+
+ ranges = memory->n_addrs; /* ranges in cell */
+new_range2:
+ mem_start = read_n_cells(addr_cells, &memcell_buf);
+ mem_size = read_n_cells(size_cells, &memcell_buf);
+ if (numa_enabled) {
+ numa_domain = of_node_numa_domain(memory);
+ if (numa_domain >= MAX_NUMNODES)
+ numa_domain = 0;
+ } else
+ numa_domain = 0;
+
+ if (numa_domain != nid)
+ continue;
+
+ mem_size = numa_enforce_memory_limit(mem_start, mem_size);
+ memory_present(numa_domain, mem_start >> PAGE_SHIFT,
+ (mem_start + mem_size) >> PAGE_SHIFT);
+
+ if (--ranges) /* process all ranges in cell */
+ goto new_range2;
+ }
+
}
}