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Diffstat (limited to 'arch/alpha/mm/init.c')
-rw-r--r--arch/alpha/mm/init.c123
1 files changed, 21 insertions, 102 deletions
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 40c15e7301d..a1bea91df56 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -20,8 +20,8 @@
#include <linux/init.h>
#include <linux/bootmem.h> /* max_low_pfn */
#include <linux/vmalloc.h>
+#include <linux/gfp.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
@@ -30,8 +30,8 @@
#include <asm/mmu_context.h>
#include <asm/console.h>
#include <asm/tlb.h>
-
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
+#include <asm/setup.h>
+#include <asm/sections.h>
extern void die_if_kernel(char *,struct pt_regs *,long);
@@ -59,13 +59,6 @@ pgd_alloc(struct mm_struct *mm)
return ret;
}
-pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
-{
- pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
- return pte;
-}
-
/*
* BAD_PAGE is the page that is used for page faults when linux
@@ -94,36 +87,6 @@ __bad_page(void)
return pte_mkdirty(mk_pte(virt_to_page(EMPTY_PGE), PAGE_SHARED));
}
-#ifndef CONFIG_DISCONTIGMEM
-void
-show_mem(void)
-{
- long i,free = 0,total = 0,reserved = 0;
- long shared = 0, cached = 0;
-
- printk("\nMem-info:\n");
- show_free_areas();
- printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
- i = max_mapnr;
- while (i-- > 0) {
- total++;
- if (PageReserved(mem_map+i))
- reserved++;
- else if (PageSwapCache(mem_map+i))
- cached++;
- else if (!page_count(mem_map+i))
- free++;
- else
- shared += page_count(mem_map + i) - 1;
- }
- printk("%ld pages of RAM\n",total);
- printk("%ld free pages\n",free);
- printk("%ld reserved pages\n",reserved);
- printk("%ld pages shared\n",shared);
- printk("%ld pages swap cached\n",cached);
-}
-#endif
-
static inline unsigned long
load_PCB(struct pcb_struct *pcb)
{
@@ -226,9 +189,21 @@ callback_init(void * kernel_end)
if (alpha_using_srm) {
static struct vm_struct console_remap_vm;
- unsigned long vaddr = VMALLOC_START;
+ unsigned long nr_pages = 0;
+ unsigned long vaddr;
unsigned long i, j;
+ /* calculate needed size */
+ for (i = 0; i < crb->map_entries; ++i)
+ nr_pages += crb->map[i].count;
+
+ /* register the vm area */
+ console_remap_vm.flags = VM_ALLOC;
+ console_remap_vm.size = nr_pages << PAGE_SHIFT;
+ vm_area_register_early(&console_remap_vm, PAGE_SIZE);
+
+ vaddr = (unsigned long)console_remap_vm.addr;
+
/* Set up the third level PTEs and update the virtual
addresses of the CRB entries. */
for (i = 0; i < crb->map_entries; ++i) {
@@ -250,12 +225,6 @@ callback_init(void * kernel_end)
vaddr += PAGE_SIZE;
}
}
-
- /* Let vmalloc know that we've allocated some space. */
- console_remap_vm.flags = VM_ALLOC;
- console_remap_vm.addr = (void *) VMALLOC_START;
- console_remap_vm.size = vaddr - VMALLOC_START;
- vmlist = &console_remap_vm;
}
callback_init_done = 1;
@@ -307,75 +276,25 @@ srm_paging_stop (void)
}
#endif
-#ifndef CONFIG_DISCONTIGMEM
-static void __init
-printk_memory_info(void)
-{
- unsigned long codesize, reservedpages, datasize, initsize, tmp;
- extern int page_is_ram(unsigned long) __init;
- extern char _text, _etext, _data, _edata;
- extern char __init_begin, __init_end;
-
- /* printk all informations */
- reservedpages = 0;
- for (tmp = 0; tmp < max_low_pfn; tmp++)
- /*
- * Only count reserved RAM pages
- */
- if (page_is_ram(tmp) && PageReserved(mem_map+tmp))
- reservedpages++;
-
- codesize = (unsigned long) &_etext - (unsigned long) &_text;
- datasize = (unsigned long) &_edata - (unsigned long) &_data;
- initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
-
- printk("Memory: %luk/%luk available (%luk kernel code, %luk reserved, %luk data, %luk init)\n",
- (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
- max_mapnr << (PAGE_SHIFT-10),
- codesize >> 10,
- reservedpages << (PAGE_SHIFT-10),
- datasize >> 10,
- initsize >> 10);
-}
-
void __init
mem_init(void)
{
- max_mapnr = num_physpages = max_low_pfn;
- totalram_pages += free_all_bootmem();
+ set_max_mapnr(max_low_pfn);
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
-
- printk_memory_info();
-}
-#endif /* CONFIG_DISCONTIGMEM */
-
-void
-free_reserved_mem(void *start, void *end)
-{
- void *__start = start;
- for (; __start < end; __start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(__start));
- init_page_count(virt_to_page(__start));
- free_page((long)__start);
- totalram_pages++;
- }
+ free_all_bootmem();
+ mem_init_print_info(NULL);
}
void
free_initmem(void)
{
- extern char __init_begin, __init_end;
-
- free_reserved_mem(&__init_begin, &__init_end);
- printk ("Freeing unused kernel memory: %ldk freed\n",
- (&__init_end - &__init_begin) >> 10);
+ free_initmem_default(-1);
}
#ifdef CONFIG_BLK_DEV_INITRD
void
free_initrd_mem(unsigned long start, unsigned long end)
{
- free_reserved_mem((void *)start, (void *)end);
- printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
+ free_reserved_area((void *)start, (void *)end, -1, "initrd");
}
#endif