---
 mm/page_alloc.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6.21-rc6/mm/page_alloc.c
===================================================================
--- linux-2.6.21-rc6.orig/mm/page_alloc.c	2007-04-13 23:11:03.000000000 -0700
+++ linux-2.6.21-rc6/mm/page_alloc.c	2007-04-13 23:16:24.000000000 -0700
@@ -41,6 +41,7 @@
 #include <linux/pfn.h>
 #include <linux/backing-dev.h>
 #include <linux/fault-inject.h>
+#include <linux/perf.h>
 
 #include <asm/tlbflush.h>
 #include <asm/div64.h>
@@ -1238,6 +1239,7 @@ struct page * fastcall
 __alloc_pages(gfp_t gfp_mask, unsigned int order,
 		struct zonelist *zonelist)
 {
+	INIT_PC(pc, PC_ALLOC_PAGES);
 	const gfp_t wait = gfp_mask & __GFP_WAIT;
 	struct zone **z;
 	struct page *page;
@@ -1397,6 +1399,7 @@ nopage:
 		show_mem();
 	}
 got_pg:
+	pc_bytes(&pc, PAGE_SIZE << order);
 	return page;
 }