Re: [PATCH 4/5] add isolate pages vmstat
From: Rik van Riel
Date: Tue Jul 07 2009 - 13:24:16 EST
Christoph Lameter wrote:
On Tue, 7 Jul 2009, KOSAKI Motohiro wrote:
+++ b/include/linux/mmzone.h
@@ -100,6 +100,8 @@ enum zone_stat_item {
NR_BOUNCE,
NR_VMSCAN_WRITE,
NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */
+ NR_ISOLATED_ANON, /* Temporary isolated pages from anon lru */
+ NR_ISOLATED_FILE, /* Temporary isolated pages from file lru */
LRU counters are rarer in use then the counters used for dirty pages etc.
Could you move the counters for reclaim into a separate cacheline?
I don't get the point of that - these counters are
per-cpu anyway, so why would they need to be in a
separate cacheline?
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