From: cl@linux-foundation.org
To: akpm@linux-foundation.org
Cc: linux-mm@kvack.org, Tejun Heo <tj@kernel.org>,
David Miller <davem@davemloft.net>,
mingo@elte.hu, rusty@rustcorp.com.au,
Pekka Enberg <penberg@cs.helsinki.fi>
Subject: [this_cpu_xx V3 05/19] use this_cpu ops for network statistics
Date: Thu, 01 Oct 2009 13:40:38 -0400 [thread overview]
Message-ID: <20091001174120.495729538@gentwo.org> (raw)
In-Reply-To: <20091001174033.576397715@gentwo.org>
[-- Attachment #1: this_cpu_net --]
[-- Type: text/plain, Size: 1980 bytes --]
Acked-by: Tejun Heo <tj@kernel.org>
CC: David Miller <davem@davemloft.net>
Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
---
include/net/neighbour.h | 7 +------
include/net/netfilter/nf_conntrack.h | 4 ++--
2 files changed, 3 insertions(+), 8 deletions(-)
Index: linux-2.6/include/net/neighbour.h
===================================================================
--- linux-2.6.orig/include/net/neighbour.h 2009-09-30 18:32:31.000000000 -0500
+++ linux-2.6/include/net/neighbour.h 2009-09-30 18:32:55.000000000 -0500
@@ -90,12 +90,7 @@ struct neigh_statistics
unsigned long unres_discards; /* number of unresolved drops */
};
-#define NEIGH_CACHE_STAT_INC(tbl, field) \
- do { \
- preempt_disable(); \
- (per_cpu_ptr((tbl)->stats, smp_processor_id())->field)++; \
- preempt_enable(); \
- } while (0)
+#define NEIGH_CACHE_STAT_INC(tbl, field) this_cpu_inc((tbl)->stats->field)
struct neighbour
{
Index: linux-2.6/include/net/netfilter/nf_conntrack.h
===================================================================
--- linux-2.6.orig/include/net/netfilter/nf_conntrack.h 2009-09-30 18:32:57.000000000 -0500
+++ linux-2.6/include/net/netfilter/nf_conntrack.h 2009-09-30 18:34:13.000000000 -0500
@@ -295,11 +295,11 @@ extern unsigned int nf_conntrack_htable_
extern unsigned int nf_conntrack_max;
#define NF_CT_STAT_INC(net, count) \
- (per_cpu_ptr((net)->ct.stat, raw_smp_processor_id())->count++)
+ __this_cpu_inc((net)->ct.stat->count)
#define NF_CT_STAT_INC_ATOMIC(net, count) \
do { \
local_bh_disable(); \
- per_cpu_ptr((net)->ct.stat, raw_smp_processor_id())->count++; \
+ __this_cpu_inc((net)->ct.stat->count); \
local_bh_enable(); \
} while (0)
--
--
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next prev parent reply other threads:[~2009-10-01 18:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-01 17:40 [this_cpu_xx V3 00/19] Introduce per cpu atomic operations and avoid per cpu address arithmetic cl
2009-10-01 17:40 ` [this_cpu_xx V3 01/19] Introduce this_cpu_ptr() and generic this_cpu_* operations cl
2009-10-01 17:40 ` [this_cpu_xx V3 02/19] this_cpu: X86 optimized this_cpu operations cl
2009-10-01 17:40 ` [this_cpu_xx V3 03/19] Use this_cpu operations for SNMP statistics cl
2009-10-01 17:40 ` [this_cpu_xx V3 04/19] Use this_cpu operations for NFS statistics cl
2009-10-01 17:40 ` cl [this message]
2009-10-01 19:35 ` [this_cpu_xx V3 05/19] use this_cpu ops for network statistics David Miller
2009-10-01 17:40 ` [this_cpu_xx V3 06/19] this_cpu_ptr: Straight transformations cl
2009-10-01 17:40 ` [this_cpu_xx V3 07/19] this_cpu_ptr: Eliminate get/put_cpu cl
2009-10-01 17:40 ` [this_cpu_xx V3 08/19] this_cpu_ptr: xfs_icsb_modify_counters does not need "cpu" variable cl
2009-10-01 17:40 ` [this_cpu_xx V3 09/19] Use this_cpu_ptr in crypto subsystem cl
2009-10-01 17:40 ` [this_cpu_xx V3 10/19] Use this_cpu ops for VM statistics cl
2009-10-01 17:40 ` [this_cpu_xx V3 11/19] RCU: Use this_cpu operations cl
2009-10-01 19:17 ` Ingo Molnar
2009-10-01 17:40 ` [this_cpu_xx V3 12/19] Move early initialization of pagesets out of zone_wait_table_init() cl
2009-10-01 17:40 ` [this_cpu_xx V3 13/19] this_cpu_ops: page allocator conversion cl
2009-10-01 17:40 ` [this_cpu_xx V3 14/19] this_cpu ops: Remove pageset_notifier cl
2009-10-01 17:40 ` [this_cpu_xx V3 15/19] Use this_cpu operations in slub cl
2009-10-01 17:40 ` [this_cpu_xx V3 16/19] SLUB: Get rid of dynamic DMA kmalloc cache allocation cl
2009-10-01 17:40 ` [this_cpu_xx V3 17/19] this_cpu: Remove slub kmem_cache fields cl
2009-10-01 17:40 ` [this_cpu_xx V3 18/19] Make slub statistics use this_cpu_inc cl
2009-10-01 17:40 ` [this_cpu_xx V3 19/19] this_cpu: slub aggressive use of this_cpu operations in the hotpaths cl
2009-10-02 9:29 ` [this_cpu_xx V3 00/19] Introduce per cpu atomic operations and avoid per cpu address arithmetic Ingo Molnar
2009-10-02 9:31 ` Ingo Molnar
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