unsigned long min_low_pfn;
unsigned long max_pfn;
-EXPORT_UNUSED_SYMBOL(max_pfn); /* June 2006 */
+EXPORT_SYMBOL(max_pfn); /* This is exported so
+ * dma_get_required_mask(), which uses
+ * it, can be an inline function */
-static LIST_HEAD(bdata_list);
#ifdef CONFIG_CRASH_DUMP
/*
* If we have booted due to a crash, max_pfn will be a very low value. We need
return mapsize;
}
-/*
- * link bdata in order
- */
-static void link_bootmem(bootmem_data_t *bdata)
-{
- bootmem_data_t *ent;
- if (list_empty(&bdata_list)) {
- list_add(&bdata->list, &bdata_list);
- return;
- }
- /* insert in order */
- list_for_each_entry(ent, &bdata_list, list) {
- if (bdata->node_boot_start < ent->node_boot_start) {
- list_add_tail(&bdata->list, &ent->list);
- return;
- }
- }
- list_add_tail(&bdata->list, &bdata_list);
- return;
-}
-
/*
* Called once to set up the allocator itself.
bootmem_data_t *bdata = pgdat->bdata;
unsigned long mapsize = ((end - start)+7)/8;
+ pgdat->pgdat_next = pgdat_list;
+ pgdat_list = pgdat;
+
mapsize = ALIGN(mapsize, sizeof(long));
bdata->node_bootmem_map = phys_to_virt(mapstart << PAGE_SHIFT);
bdata->node_boot_start = (start << PAGE_SHIFT);
bdata->node_low_pfn = end;
- link_bootmem(bdata);
/*
* Initially all pages are reserved - setup_arch() has to
*
* NOTE: This function is _not_ reentrant.
*/
-void * __init
+static void * __init
__alloc_bootmem_core(struct bootmem_data *bdata, unsigned long size,
unsigned long align, unsigned long goal, unsigned long limit)
{
return(free_all_bootmem_core(NODE_DATA(0)));
}
-void * __init __alloc_bootmem_nopanic(unsigned long size, unsigned long align, unsigned long goal)
+void * __init __alloc_bootmem(unsigned long size, unsigned long align, unsigned long goal)
{
- bootmem_data_t *bdata;
+ pg_data_t *pgdat = pgdat_list;
void *ptr;
- list_for_each_entry(bdata, &bdata_list, list)
- if ((ptr = __alloc_bootmem_core(bdata, size, align, goal, 0)))
+ for_each_pgdat(pgdat)
+ if ((ptr = __alloc_bootmem_core(pgdat->bdata, size,
+ align, goal, 0)))
return(ptr);
- return NULL;
-}
-void * __init __alloc_bootmem(unsigned long size, unsigned long align, unsigned long goal)
-{
- void *mem = __alloc_bootmem_nopanic(size,align,goal);
- if (mem)
- return mem;
/*
* Whoops, we cannot satisfy the allocation request.
*/
void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, unsigned long goal)
{
- bootmem_data_t *bdata;
+ pg_data_t *pgdat = pgdat_list;
void *ptr;
- list_for_each_entry(bdata, &bdata_list, list)
- if ((ptr = __alloc_bootmem_core(bdata, size,
+ for_each_pgdat(pgdat)
+ if ((ptr = __alloc_bootmem_core(pgdat->bdata, size,
align, goal, LOW32LIMIT)))
return(ptr);