+/* Mark a set of pages as online */
+unsigned long mark_pages_onlined(unsigned long pfn, unsigned long nr_pages)
+{
+ struct zone *zone = page_zone(pfn_to_page(pfn));
+ unsigned long onlined_pages = 0;
+ int need_zonelists_rebuild = 0;
/*
* If this zone is not populated, then it is not in zonelist.
@@ -240,10 +246,38 @@
vm_total_pages = nr_free_pagecache_pages();
writeback_set_ratelimit();
- if (onlined_pages)
+ if (onlined_pages) {
+ struct memory_notify arg;
+
+ arg.start_pfn = pfn; /* ? */
+ arg.nr_pages = onlined_pages;
+ arg.status_change_nid = -1; /* ? */
status_change_nid is to prepare data structures which are allocated on
each NUMA node.
When memory less node gets new memory, and it changes status
to normal memory, then status_change_nid must be set.
SLUB uses it now.