---
 include/linux/gfp.h |    4 ++
 mm/page_alloc.c     |   72 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+)

Index: linux-2.6/include/linux/gfp.h
===================================================================
--- linux-2.6.orig/include/linux/gfp.h	2008-02-11 16:43:17.000000000 -0800
+++ linux-2.6/include/linux/gfp.h	2008-02-11 17:40:06.000000000 -0800
@@ -223,4 +223,8 @@ void drain_zone_pages(struct zone *zone,
 void drain_all_pages(void);
 void drain_local_pages(void *dummy);
 
+struct page *fast_alloc(gfp_t gfp_mask);
+void fast_free(struct page *page);
+void flush_fast_pages(void);
+
 #endif /* __LINUX_GFP_H */
Index: linux-2.6/mm/page_alloc.c
===================================================================
--- linux-2.6.orig/mm/page_alloc.c	2008-02-11 16:45:59.000000000 -0800
+++ linux-2.6/mm/page_alloc.c	2008-02-11 17:40:53.000000000 -0800
@@ -1465,6 +1465,7 @@ restart:
 	if (page)
 		goto got_pg;
 
+	flush_fast_pages();
 	/*
 	 * GFP_THISNODE (meaning __GFP_THISNODE, __GFP_NORETRY and
 	 * __GFP_NOWARN set) should not cause reclaim since the subsystem
@@ -4530,3 +4531,74 @@ __offline_isolated_pages(unsigned long s
 	spin_unlock_irqrestore(&zone->lock, flags);
 }
 #endif
+
+struct fast_queue {
+	struct page *head[MIGRATE_TYPES];
+};
+
+DEFINE_PER_CPU(struct fast_queue, fq);
+
+void flush_fast_pages_cpu(void *dummy)
+{
+	int i;
+	struct page *page;
+
+	for (i = 0; i < MIGRATE_TYPES; i++) {
+		struct page **p = &__get_cpu_var(fq).head[i];
+
+		while (*p) {
+			page = *p;
+			*p = (struct page *)page->lru.next;
+			__free_page(page);
+		}
+	}
+}
+
+void flush_fast_pages(void)
+{
+	on_each_cpu(flush_fast_pages_cpu, NULL, 0, 1);
+}
+
+struct page *fast_alloc(gfp_t mask)
+{
+	unsigned long flags;
+	struct page **p;
+	struct page *page;
+
+	if (current->flags & (PF_SPREAD_PAGE | PF_SPREAD_SLAB | PF_MEMPOLICY))
+		goto slow;
+	if (mask & (__GFP_DMA|__GFP_HIGHMEM|__GFP_DMA32|__GFP_HARDWALL|__GFP_THISNODE))
+		goto slow;
+
+	local_irq_save(flags);
+	p = &__get_cpu_var(fq).head[allocflags_to_migratetype(mask)];
+	page = *p;
+	if (!page) {
+		local_irq_restore(flags);
+		goto slow;
+	}
+
+	*p = (struct page *)page->lru.next;
+	local_irq_restore(flags);
+	if (mask & __GFP_ZERO)
+		memset(page_address(page), 0, PAGE_SIZE);
+	return page;
+
+slow:
+	return alloc_page(mask);
+}
+
+void fast_free(struct page *page)
+{
+	unsigned long flags;
+	struct page **p;
+
+	if (page_to_nid(page) != numa_node_id() || PageHighMem(page))
+		__free_pages(page, 0);
+
+	local_irq_save(flags);
+	p = &__get_cpu_var(fq).head[get_pageblock_migratetype(page)];
+	page->lru.next = (void *)*p;
+	*p = page;
+	local_irq_restore(flags);
+}