[PATCH] fix page_alloc for larger I/O segments (improved)

From: Mark Lord
Date: Thu Dec 13 2007 - 19:47:21 EST



"Improved version", more similar to the 2.6.23 code:

Fix page allocator to give better chance of larger contiguous segments (again).

Signed-off-by: Mark Lord <mlord@xxxxxxxxx
---

--- old/mm/page_alloc.c 2007-12-13 19:25:15.000000000 -0500
+++ linux-2.6/mm/page_alloc.c 2007-12-13 19:43:07.000000000 -0500
@@ -760,7 +760,7 @@
struct page *page = __rmqueue(zone, order, migratetype);
if (unlikely(page == NULL))
break;
- list_add(&page->lru, list);
+ list_add_tail(&page->lru, list);
set_page_private(page, migratetype);
}
spin_unlock(&zone->lock);
--
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