From: Andi Kleen <ak@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org,
Hugh Dickins <hugh@veritas.com>,
Nick Piggin <nickpiggin@yahoo.com.au>,
linux-mm@kvack.org,
Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Subject: Re: [PATCH 01/14] Per zone counter functionality
Date: Fri, 9 Jun 2006 06:28:57 +0200 [thread overview]
Message-ID: <200606090628.57497.ak@suse.de> (raw)
In-Reply-To: <20060608230244.25121.76440.sendpatchset@schroedinger.engr.sgi.com>
> +/*
> + * For an unknown interrupt state
> + */
> +void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
> + int delta)
> +{
> + unsigned long flags;
> +
> + local_irq_save(flags);
> + __mod_zone_page_state(zone, item, delta);
> + local_irq_restore(flags);
It would be nicer to use some variant of local_t - then you could do that
without turning off interrupts (which some CPUs like P4 don't like)
There currently is not 1 byte local_t but it could be added.
Mind you it would only make sense when most of the calls are not already
with interrupts disabled.
-Andi
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next prev parent reply other threads:[~2006-06-09 4:28 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-08 23:02 [PATCH 00/14] Zoned VM counters V2 Christoph Lameter
2006-06-08 23:02 ` [PATCH 01/14] Per zone counter functionality Christoph Lameter
2006-06-09 4:00 ` Andrew Morton
2006-06-09 4:38 ` Andi Kleen
2006-06-09 9:22 ` Peter Zijlstra
2006-06-09 9:29 ` Andrew Morton
2006-06-09 18:19 ` Horst von Brand
2006-06-09 15:54 ` Christoph Lameter
2006-06-09 17:06 ` Andrew Morton
2006-06-09 17:18 ` Christoph Lameter
2006-06-09 17:38 ` Andrew Morton
2006-06-09 4:28 ` Andi Kleen [this message]
2006-06-09 16:00 ` Christoph Lameter
2006-06-08 23:02 ` [PATCH 02/14] Include per zone counters in /proc/vmstat Christoph Lameter
2006-06-08 23:02 ` [PATCH 03/14] Conversion of nr_mapped to per zone counter Christoph Lameter
2006-06-08 23:03 ` [PATCH 04/14] Conversion of nr_pagecache " Christoph Lameter
2006-06-08 23:03 ` [PATCH 04/14] Use per zone counters to remove zone_reclaim_interval Christoph Lameter
2006-06-09 4:00 ` Andrew Morton
2006-06-09 18:54 ` zoned VM stats: Add NR_ANON Christoph Lameter
2006-06-10 4:32 ` KAMEZAWA Hiroyuki
2006-06-10 4:52 ` Christoph Lameter
2006-06-08 23:03 ` [PATCH 06/14] Add per zone counters to zone node and global VM statistics Christoph Lameter
2006-06-09 4:01 ` Andrew Morton
2006-06-09 15:55 ` Christoph Lameter
2006-06-08 23:03 ` [PATCH 07/14] Conversion of nr_slab to per zone counter Christoph Lameter
2006-06-08 23:03 ` [PATCH 08/14] Conversion of nr_pagetable " Christoph Lameter
2006-06-08 23:03 ` [PATCH 09/14] Conversion of nr_dirty " Christoph Lameter
2006-06-08 23:03 ` [PATCH 10/14] Conversion of nr_writeback " Christoph Lameter
2006-06-08 23:03 ` [PATCH 11/14] Conversion of nr_unstable " Christoph Lameter
2006-06-08 23:03 ` [PATCH 12/14] Remove unused get_page_stat functions Christoph Lameter
2006-06-08 23:03 ` [PATCH 13/14] Conversion of nr_bounce to per zone counter Christoph Lameter
2006-06-08 23:03 ` [PATCH 14/14] Remove useless writeback structure Christoph Lameter
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