{
int i;
int nr_pages = 1 << order;
+ struct page *p = page + 1;
set_compound_page_dtor(page, free_compound_page);
set_compound_order(page, order);
__SetPageHead(page);
- for (i = 1; i < nr_pages; i++) {
- struct page *p = page + i;
-
+ for (i = 1; i < nr_pages; i++, p++) {
+ if (unlikely((i & (MAX_ORDER_NR_PAGES - 1)) == 0))
+ p = pfn_to_page(page_to_pfn(page) + i);
__SetPageTail(p);
p->first_page = page;
}
{
int i;
int nr_pages = 1 << order;
+ struct page *p = page + 1;
if (unlikely(compound_order(page) != order))
bad_page(page);
if (unlikely(!PageHead(page)))
bad_page(page);
__ClearPageHead(page);
- for (i = 1; i < nr_pages; i++) {
- struct page *p = page + i;
+ for (i = 1; i < nr_pages; i++, p++) {
+ if (unlikely((i & (MAX_ORDER_NR_PAGES - 1)) == 0))
+ p = pfn_to_page(page_to_pfn(page) + i);
if (unlikely(!PageTail(p) |
(p->first_page != page)))
#endif
for (page = start_page; page <= end_page;) {
+ /* Make sure we are not inadvertently changing nodes */
+ VM_BUG_ON(page_to_nid(page) != zone_to_nid(zone));
+
if (!pfn_valid_within(page_to_pfn(page))) {
page++;
continue;
continue;
page = pfn_to_page(pfn);
+ /* Watch out for overlapping nodes */
+ if (page_to_nid(page) != zone_to_nid(zone))
+ continue;
+
/* Blocks with reserved pages will never free, skip them. */
if (PageReserved(page))
continue;
}
#ifndef CONFIG_NEED_MULTIPLE_NODES
-struct pglist_data contig_page_data = { .bdata = &bootmem_node_data[0] };
+struct pglist_data __refdata contig_page_data = { .bdata = &bootmem_node_data[0] };
EXPORT_SYMBOL(contig_page_data);
#endif
do {
size = bucketsize << log2qty;
if (flags & HASH_EARLY)
- table = alloc_bootmem(size);
+ table = alloc_bootmem_nopanic(size);
else if (hashdist)
table = __vmalloc(size, GFP_ATOMIC, PAGE_KERNEL);
else {