From: Christoph Lameter <clameter@sgi.com>
To: akpm@osdl.org
Cc: linux-mm@kvack.org, Con Kolivas <kernel@kolivas.org>, npiggin@suse.de
Subject: zoned VM stats: nr_slab is accurate, fix comment
Date: Fri, 9 Jun 2006 11:26:07 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0606091122560.520@schroedinger.engr.sgi.com> (raw)
nr_slab is accurate with the zoned VM stats. Remove the comment
that states otherwise in swap_prefetch.c
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Index: linux-2.6.17-rc6-mm1/mm/swap_prefetch.c
===================================================================
--- linux-2.6.17-rc6-mm1.orig/mm/swap_prefetch.c 2006-06-09 10:30:52.363683655 -0700
+++ linux-2.6.17-rc6-mm1/mm/swap_prefetch.c 2006-06-09 11:17:22.126406920 -0700
@@ -386,10 +386,6 @@ static int prefetch_suitable(void)
/*
* >2/3 of the ram on this node is mapped, slab, swapcache or
* dirty, we need to leave some free for pagecache.
- * Note that currently nr_slab is innacurate on numa because
- * nr_slab is incremented on the node doing the accounting
- * even if the slab is being allocated on a remote node. This
- * would be expensive to fix and not of great significance.
*/
limit = global_page_state(NR_MAPPED) +
global_page_state(NR_SLAB) +
--
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next reply other threads:[~2006-06-09 18:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-09 18:26 Christoph Lameter [this message]
2006-06-09 22:44 ` Con Kolivas
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