linux-kernel - Re: [PATCH 2/8] Create the ZONE

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Date:	Mon, 29 Jan 2007 17:31:16 +0000
From:	mel@...net.ie (Mel Gorman)
To:	Christoph Lameter <clameter@....com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/8] Create the ZONE_MOVABLE zone

On (26/01/07 09:16), Christoph Lameter didst pronounce:
> I do not see any updates of vmstat.c and vmstat.h. This 
> means that VM statistics are not kept / considered for ZONE_MOVABLE.

Based on searching around for ZONE_DMA32, the following patch appears to be
all that is required;

diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.20-rc4-mm1-009_backout_zonecount/include/linux/vmstat.h linux-2.6.20-rc4-mm1-010_update_zonecounters/include/linux/vmstat.h
--- linux-2.6.20-rc4-mm1-009_backout_zonecount/include/linux/vmstat.h	2007-01-17 17:08:36.000000000 +0000
+++ linux-2.6.20-rc4-mm1-010_update_zonecounters/include/linux/vmstat.h	2007-01-29 16:52:42.000000000 +0000
@@ -24,7 +24,7 @@
 #define HIGHMEM_ZONE(xx)
 #endif
 
-#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx)
+#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx) , xx##_MOVABLE
 
 enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
 		FOR_ALL_ZONES(PGALLOC),
@@ -171,7 +171,8 @@ static inline unsigned long node_page_st
 #ifdef CONFIG_HIGHMEM
 		zone_page_state(&zones[ZONE_HIGHMEM], item) +
 #endif
-		zone_page_state(&zones[ZONE_NORMAL], item);
+		zone_page_state(&zones[ZONE_NORMAL], item) +
+		zone_page_state(&zones[ZONE_MOVABLE], item);
 }
 
 extern void zone_statistics(struct zonelist *, struct zone *);
diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.20-rc4-mm1-009_backout_zonecount/mm/vmstat.c linux-2.6.20-rc4-mm1-010_update_zonecounters/mm/vmstat.c
--- linux-2.6.20-rc4-mm1-009_backout_zonecount/mm/vmstat.c	2007-01-17 17:08:39.000000000 +0000
+++ linux-2.6.20-rc4-mm1-010_update_zonecounters/mm/vmstat.c	2007-01-29 16:52:42.000000000 +0000
@@ -456,7 +456,7 @@ const struct seq_operations fragmentatio
 #endif
 
 #define TEXTS_FOR_ZONES(xx) TEXT_FOR_DMA(xx) TEXT_FOR_DMA32(xx) xx "_normal", \
-					TEXT_FOR_HIGHMEM(xx)
+					TEXT_FOR_HIGHMEM(xx) xx "_movable",
 
 static const char * const vmstat_text[] = {
 	/* Zoned VM counters */
-
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