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-rw-r--r--arch/avr32/mm/init.c66
1 files changed, 10 insertions, 56 deletions
diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 0e64ddc45e37..fa92ff6d95f7 100644
--- a/arch/avr32/mm/init.c
+++ b/arch/avr32/mm/init.c
@@ -11,6 +11,7 @@
#include <linux/swap.h>
#include <linux/init.h>
#include <linux/mmzone.h>
+#include <linux/module.h>
#include <linux/bootmem.h>
#include <linux/pagemap.h>
#include <linux/nodemask.h>
@@ -23,56 +24,20 @@
#include <asm/setup.h>
#include <asm/sections.h>
+#define __page_aligned __attribute__((section(".data.page_aligned")))
+
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-pgd_t swapper_pg_dir[PTRS_PER_PGD];
+pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned;
struct page *empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
/*
* Cache of MMU context last used.
*/
unsigned long mmu_context_cache = NO_CONTEXT;
-void show_mem(void)
-{
- int total = 0, reserved = 0, cached = 0;
- int slab = 0, free = 0, shared = 0;
- pg_data_t *pgdat;
-
- printk("Mem-info:\n");
- show_free_areas();
-
- for_each_online_pgdat(pgdat) {
- struct page *page, *end;
-
- page = pgdat->node_mem_map;
- end = page + pgdat->node_spanned_pages;
-
- do {
- total++;
- if (PageReserved(page))
- reserved++;
- else if (PageSwapCache(page))
- cached++;
- else if (PageSlab(page))
- slab++;
- else if (!page_count(page))
- free++;
- else
- shared += page_count(page) - 1;
- page++;
- } while (page < end);
- }
-
- printk ("%d pages of RAM\n", total);
- printk ("%d free pages\n", free);
- printk ("%d reserved pages\n", reserved);
- printk ("%d slab pages\n", slab);
- printk ("%d pages shared\n", shared);
- printk ("%d pages swap cached\n", cached);
-}
-
/*
* paging_init() sets up the page tables
*
@@ -106,27 +71,16 @@ void __init paging_init(void)
zero_page = alloc_bootmem_low_pages_node(NODE_DATA(0),
PAGE_SIZE);
- {
- pgd_t *pg_dir;
- int i;
-
- pg_dir = swapper_pg_dir;
- sysreg_write(PTBR, (unsigned long)pg_dir);
-
- for (i = 0; i < PTRS_PER_PGD; i++)
- pgd_val(pg_dir[i]) = 0;
-
- enable_mmu();
- printk ("CPU: Paging enabled\n");
- }
+ sysreg_write(PTBR, (unsigned long)swapper_pg_dir);
+ enable_mmu();
+ printk ("CPU: Paging enabled\n");
for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
unsigned long zones_size[MAX_NR_ZONES];
unsigned long low, start_pfn;
- start_pfn = pgdat->bdata->node_boot_start;
- start_pfn >>= PAGE_SHIFT;
+ start_pfn = pgdat->bdata->node_min_pfn;
low = pgdat->bdata->node_low_pfn;
memset(zones_size, 0, sizeof(zones_size));
@@ -135,7 +89,7 @@ void __init paging_init(void)
printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n",
nid, start_pfn, low);
- free_area_init_node(nid, pgdat, zones_size, start_pfn, NULL);
+ free_area_init_node(nid, zones_size, start_pfn, NULL);
printk("Node %u: mem_map starts at %p\n",
pgdat->node_id, pgdat->node_mem_map);
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