static int page_is_consistent(struct zone *zone, struct page *page)
{
- if (!pfn_valid_within(page_to_pfn(page)))
- return 0;
if (zone != page_zone(page))
return 0;
if (order >= MAX_ORDER - 2)
return false;
- if (!pfn_valid_within(buddy_pfn))
- return false;
-
combined_pfn = buddy_pfn & pfn;
higher_page = page + (combined_pfn - pfn);
buddy_pfn = __find_buddy_pfn(combined_pfn, order + 1);
higher_buddy = higher_page + (buddy_pfn - combined_pfn);
- return pfn_valid_within(buddy_pfn) &&
- page_is_buddy(higher_page, higher_buddy, order + 1);
+ return page_is_buddy(higher_page, higher_buddy, order + 1);
}
/*
buddy_pfn = __find_buddy_pfn(pfn, order);
buddy = page + (buddy_pfn - pfn);
- if (!pfn_valid_within(buddy_pfn))
- goto done_merging;
if (!page_is_buddy(page, buddy, order))
goto done_merging;
/*
/*
* Check that the whole (or subset of) a pageblock given by the interval of
* [start_pfn, end_pfn) is valid and within the same zone, before scanning it
- * with the migration of free compaction scanner. The scanners then need to
- * use only pfn_valid_within() check for arches that allow holes within
- * pageblocks.
+ * with the migration of free compaction scanner.
*
* Return struct page pointer of start_pfn, or NULL if checks were not passed.
*
*/
static inline bool __init deferred_pfn_valid(unsigned long pfn)
{
- if (!pfn_valid_within(pfn))
- return false;
if (!(pfn & (pageblock_nr_pages - 1)) && !pfn_valid(pfn))
return false;
return true;
int pages_moved = 0;
for (pfn = start_pfn; pfn <= end_pfn;) {
- if (!pfn_valid_within(pfn)) {
- pfn++;
- continue;
- }
-
page = pfn_to_page(pfn);
if (!PageBuddy(page)) {
/*
zone->zone_start_pfn = 0;
zone->spanned_pages = size;
zone->present_pages = real_size;
+#if defined(CONFIG_MEMORY_HOTPLUG)
+ zone->present_early_pages = real_size;
+#endif
totalpages += size;
realtotalpages += real_size;
}
for (; iter < pageblock_nr_pages - offset; iter++) {
- if (!pfn_valid_within(pfn + iter))
- continue;
-
page = pfn_to_page(pfn + iter);
/*