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Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r--arch/arm/mm/init.c86
1 files changed, 57 insertions, 29 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 9b7f0bf26f5..82c4b421798 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -79,7 +79,7 @@ void show_mem(void)
show_free_areas();
for_each_online_node(node) {
pg_data_t *n = NODE_DATA(node);
- struct page *map = n->node_mem_map - n->node_start_pfn;
+ struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
for_each_nodebank (i,mi,node) {
struct membank *bank = &mi->bank[i];
@@ -207,10 +207,8 @@ static inline void map_memory_bank(struct membank *bank)
#endif
}
-static unsigned long __init
-bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
+static unsigned long __init bootmem_init_node(int node, struct meminfo *mi)
{
- unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
unsigned long start_pfn, end_pfn, boot_pfn;
unsigned int boot_pages;
pg_data_t *pgdat;
@@ -260,6 +258,7 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
for_each_nodebank(i, mi, node) {
struct membank *bank = &mi->bank[i];
free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank));
+ memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
}
/*
@@ -268,31 +267,39 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
reserve_bootmem_node(pgdat, boot_pfn << PAGE_SHIFT,
boot_pages << PAGE_SHIFT, BOOTMEM_DEFAULT);
- /*
- * Reserve any special node zero regions.
- */
- if (node == 0)
- reserve_node_zero(pgdat);
+ return end_pfn;
+}
+static void __init bootmem_reserve_initrd(int node)
+{
#ifdef CONFIG_BLK_DEV_INITRD
- /*
- * If the initrd is in this node, reserve its memory.
- */
- if (node == initrd_node) {
- int res = reserve_bootmem_node(pgdat, phys_initrd_start,
- phys_initrd_size, BOOTMEM_EXCLUSIVE);
-
- if (res == 0) {
- initrd_start = __phys_to_virt(phys_initrd_start);
- initrd_end = initrd_start + phys_initrd_size;
- } else {
- printk(KERN_ERR
- "INITRD: 0x%08lx+0x%08lx overlaps in-use "
- "memory region - disabling initrd\n",
- phys_initrd_start, phys_initrd_size);
- }
+ pg_data_t *pgdat = NODE_DATA(node);
+ int res;
+
+ res = reserve_bootmem_node(pgdat, phys_initrd_start,
+ phys_initrd_size, BOOTMEM_EXCLUSIVE);
+
+ if (res == 0) {
+ initrd_start = __phys_to_virt(phys_initrd_start);
+ initrd_end = initrd_start + phys_initrd_size;
+ } else {
+ printk(KERN_ERR
+ "INITRD: 0x%08lx+0x%08lx overlaps in-use "
+ "memory region - disabling initrd\n",
+ phys_initrd_start, phys_initrd_size);
}
#endif
+}
+
+static void __init bootmem_free_node(int node, struct meminfo *mi)
+{
+ unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
+ unsigned long start_pfn, end_pfn;
+ pg_data_t *pgdat = NODE_DATA(node);
+ int i;
+
+ start_pfn = pgdat->bdata->node_min_pfn;
+ end_pfn = pgdat->bdata->node_low_pfn;
/*
* initialise the zones within this node.
@@ -322,8 +329,6 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
arch_adjust_zones(node, zone_size, zhole_size);
free_area_init_node(node, zone_size, start_pfn, zhole_size);
-
- return end_pfn;
}
void __init bootmem_init(struct meminfo *mi)
@@ -342,9 +347,19 @@ void __init bootmem_init(struct meminfo *mi)
* Run through each node initialising the bootmem allocator.
*/
for_each_node(node) {
- unsigned long end_pfn;
+ unsigned long end_pfn = bootmem_init_node(node, mi);
- end_pfn = bootmem_init_node(node, initrd_node, mi);
+ /*
+ * Reserve any special node zero regions.
+ */
+ if (node == 0)
+ reserve_node_zero(NODE_DATA(node));
+
+ /*
+ * If the initrd is in this node, reserve its memory.
+ */
+ if (node == initrd_node)
+ bootmem_reserve_initrd(node);
/*
* Remember the highest memory PFN.
@@ -353,6 +368,19 @@ void __init bootmem_init(struct meminfo *mi)
memend_pfn = end_pfn;
}
+ /*
+ * sparse_init() needs the bootmem allocator up and running.
+ */
+ sparse_init();
+
+ /*
+ * Now free memory in each node - free_area_init_node needs
+ * the sparse mem_map arrays initialized by sparse_init()
+ * for memmap_init_zone(), otherwise all PFNs are invalid.
+ */
+ for_each_node(node)
+ bootmem_free_node(node, mi);
+
high_memory = __va(memend_pfn << PAGE_SHIFT);
/*