Hi,
+/* Remove an element from the buddy allocator from the fallback list */
+static struct page *__rmqueue_fallback(struct zone *zone, int order,
+ int alloctype)
Should we avoid this fallback as much as possible ?
I think this is a weak point of this approach.
+ /*
+ * If breaking a large block of pages, place the buddies
+ * on the preferred allocation list
+ */
+ if (unlikely(current_order >= MAX_ORDER / 2)) {
+ alloctype = !alloctype;
+ change_pageblock_type(zone, page);
+ area = &zone->free_area_lists[alloctype][current_order];
+ }
Changing RCLM_NORCLM to RLCM_EASY is okay ??
If so, I think adding similar code to free_pages_bulk() is better.
-- Kame
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