[AVR32] Move setup_bootmem() from mm/init.c to kernel/setup.c

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

1 files changed, 0 insertions, 238 deletions

diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
index 70da6894acc..82cf70854b9 100644
--- a/arch/avr32/mm/init.c
+++ b/arch/avr32/mm/init.c
@@ -10,11 +10,9 @@
 #include <linux/mm.h>
 #include <linux/swap.h>
 #include <linux/init.h>
-#include <linux/initrd.h>
 #include <linux/mmzone.h>
 #include <linux/bootmem.h>
 #include <linux/pagemap.h>
-#include <linux/pfn.h>
 #include <linux/nodemask.h>
 
 #include <asm/page.h>
@@ -78,242 +76,6 @@ void show_mem(void)
 	printk ("%d pages swap cached\n", cached);
 }
 
-static void __init print_memory_map(const char *what,
-				    struct tag_mem_range *mem)
-{
-	printk ("%s:\n", what);
-	for (; mem; mem = mem->next) {
-		printk ("  %08lx - %08lx\n",
-			(unsigned long)mem->addr,
-			(unsigned long)(mem->addr + mem->size));
-	}
-}
-
-#define MAX_LOWMEM	HIGHMEM_START
-#define MAX_LOWMEM_PFN	PFN_DOWN(MAX_LOWMEM)
-
-/*
- * Sort a list of memory regions in-place by ascending address.
- *
- * We're using bubble sort because we only have singly linked lists
- * with few elements.
- */
-static void __init sort_mem_list(struct tag_mem_range **pmem)
-{
-	int done;
-	struct tag_mem_range **a, **b;
-
-	if (!*pmem)
-		return;
-
-	do {
-		done = 1;
-		a = pmem, b = &(*pmem)->next;
-		while (*b) {
-			if ((*a)->addr > (*b)->addr) {
-				struct tag_mem_range *tmp;
-				tmp = (*b)->next;
-				(*b)->next = *a;
-				*a = *b;
-				*b = tmp;
-				done = 0;
-			}
-			a = &(*a)->next;
-			b = &(*a)->next;
-		}
-	} while (!done);
-}
-
-/*
- * Find a free memory region large enough for storing the
- * bootmem bitmap.
- */
-static unsigned long __init
-find_bootmap_pfn(const struct tag_mem_range *mem)
-{
-	unsigned long bootmap_pages, bootmap_len;
-	unsigned long node_pages = PFN_UP(mem->size);
-	unsigned long bootmap_addr = mem->addr;
-	struct tag_mem_range *reserved = mem_reserved;
-	struct tag_mem_range *ramdisk = mem_ramdisk;
-	unsigned long kern_start = virt_to_phys(_stext);
-	unsigned long kern_end = virt_to_phys(_end);
-
-	bootmap_pages = bootmem_bootmap_pages(node_pages);
-	bootmap_len = bootmap_pages << PAGE_SHIFT;
-
-	/*
-	 * Find a large enough region without reserved pages for
-	 * storing the bootmem bitmap. We can take advantage of the
-	 * fact that all lists have been sorted.
-	 *
-	 * We have to check explicitly reserved regions as well as the
-	 * kernel image and any RAMDISK images...
-	 *
-	 * Oh, and we have to make sure we don't overwrite the taglist
-	 * since we're going to use it until the bootmem allocator is
-	 * fully up and running.
-	 */
-	while (1) {
-		if ((bootmap_addr < kern_end) &&
-		    ((bootmap_addr + bootmap_len) > kern_start))
-			bootmap_addr = kern_end;
-
-		while (reserved &&
-		       (bootmap_addr >= (reserved->addr + reserved->size)))
-			reserved = reserved->next;
-
-		if (reserved &&
-		    ((bootmap_addr + bootmap_len) >= reserved->addr)) {
-			bootmap_addr = reserved->addr + reserved->size;
-			continue;
-		}
-
-		while (ramdisk &&
-		       (bootmap_addr >= (ramdisk->addr + ramdisk->size)))
-			ramdisk = ramdisk->next;
-
-		if (!ramdisk ||
-		    ((bootmap_addr + bootmap_len) < ramdisk->addr))
-			break;
-
-		bootmap_addr = ramdisk->addr + ramdisk->size;
-	}
-
-	if ((PFN_UP(bootmap_addr) + bootmap_len) >= (mem->addr + mem->size))
-		return ~0UL;
-
-	return PFN_UP(bootmap_addr);
-}
-
-void __init setup_bootmem(void)
-{
-	unsigned bootmap_size;
-	unsigned long first_pfn, bootmap_pfn, pages;
-	unsigned long max_pfn, max_low_pfn;
-	unsigned long kern_start = virt_to_phys(_stext);
-	unsigned long kern_end = virt_to_phys(_end);
-	unsigned node = 0;
-	struct tag_mem_range *bank, *res;
-
-	sort_mem_list(&mem_phys);
-	sort_mem_list(&mem_reserved);
-
-	print_memory_map("Physical memory", mem_phys);
-	print_memory_map("Reserved memory", mem_reserved);
-
-	nodes_clear(node_online_map);
-
-	if (mem_ramdisk) {
-#ifdef CONFIG_BLK_DEV_INITRD
-		initrd_start = (unsigned long)__va(mem_ramdisk->addr);
-		initrd_end = initrd_start + mem_ramdisk->size;
-
-		print_memory_map("RAMDISK images", mem_ramdisk);
-		if (mem_ramdisk->next)
-			printk(KERN_WARNING
-			       "Warning: Only the first RAMDISK image "
-			       "will be used\n");
-		sort_mem_list(&mem_ramdisk);
-#else
-		printk(KERN_WARNING "RAM disk image present, but "
-		       "no initrd support in kernel!\n");
-#endif
-	}
-
-	if (mem_phys->next)
-		printk(KERN_WARNING "Only using first memory bank\n");
-
-	for (bank = mem_phys; bank; bank = NULL) {
-		first_pfn = PFN_UP(bank->addr);
-		max_low_pfn = max_pfn = PFN_DOWN(bank->addr + bank->size);
-		bootmap_pfn = find_bootmap_pfn(bank);
-		if (bootmap_pfn > max_pfn)
-			panic("No space for bootmem bitmap!\n");
-
-		if (max_low_pfn > MAX_LOWMEM_PFN) {
-			max_low_pfn = MAX_LOWMEM_PFN;
-#ifndef CONFIG_HIGHMEM
-			/*
-			 * Lowmem is memory that can be addressed
-			 * directly through P1/P2
-			 */
-			printk(KERN_WARNING
-			       "Node %u: Only %ld MiB of memory will be used.\n",
-			       node, MAX_LOWMEM >> 20);
-			printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
-#else
-#error HIGHMEM is not supported by AVR32 yet
-#endif
-		}
-
-		/* Initialize the boot-time allocator with low memory only. */
-		bootmap_size = init_bootmem_node(NODE_DATA(node), bootmap_pfn,
-						 first_pfn, max_low_pfn);
-
-		printk("Node %u: bdata = %p, bdata->node_bootmem_map = %p\n",
-		       node, NODE_DATA(node)->bdata,
-		       NODE_DATA(node)->bdata->node_bootmem_map);
-
-		/*
-		 * Register fully available RAM pages with the bootmem
-		 * allocator.
-		 */
-		pages = max_low_pfn - first_pfn;
-		free_bootmem_node (NODE_DATA(node), PFN_PHYS(first_pfn),
-				   PFN_PHYS(pages));
-
-		/*
-		 * Reserve space for the kernel image (if present in
-		 * this node)...
-		 */
-		if ((kern_start >= PFN_PHYS(first_pfn)) &&
-		    (kern_start < PFN_PHYS(max_pfn))) {
-			printk("Node %u: Kernel image %08lx - %08lx\n",
-			       node, kern_start, kern_end);
-			reserve_bootmem_node(NODE_DATA(node), kern_start,
-					     kern_end - kern_start);
-		}
-
-		/* ...the bootmem bitmap... */
-		reserve_bootmem_node(NODE_DATA(node),
-				     PFN_PHYS(bootmap_pfn),
-				     bootmap_size);
-
-		/* ...any RAMDISK images... */
-		for (res = mem_ramdisk; res; res = res->next) {
-			if (res->addr > PFN_PHYS(max_pfn))
-				break;
-
-			if (res->addr >= PFN_PHYS(first_pfn)) {
-				printk("Node %u: RAMDISK %08lx - %08lx\n",
-				       node,
-				       (unsigned long)res->addr,
-				       (unsigned long)(res->addr + res->size));
-				reserve_bootmem_node(NODE_DATA(node),
-						     res->addr, res->size);
-			}
-		}
-
-		/* ...and any other reserved regions. */
-		for (res = mem_reserved; res; res = res->next) {
-			if (res->addr > PFN_PHYS(max_pfn))
-				break;
-
-			if (res->addr >= PFN_PHYS(first_pfn)) {
-				printk("Node %u: Reserved %08lx - %08lx\n",
-				       node,
-				       (unsigned long)res->addr,
-				       (unsigned long)(res->addr + res->size));
-				reserve_bootmem_node(NODE_DATA(node),
-						     res->addr, res->size);
-			}
-		}
-
-		node_set_online(node);
-	}
-}
-
 /*
  * paging_init() sets up the page tables
  *