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From: Ravikiran G Thirumalai <kiran@scalex86.org>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, davem@davemloft.net,
	netdev@vger.kernel.org, shai@scalex86.org
Subject: [patch 1/4] net: percpufy frequently used vars -- add percpu_counter_mod_bh
Date: Tue, 7 Mar 2006 17:59:34 -0800	[thread overview]
Message-ID: <20060308015934.GB9062@localhost.localdomain> (raw)
In-Reply-To: <20060308015808.GA9062@localhost.localdomain>

Add percpu_counter_mod_bh for using these counters safely from
both softirq and process context.

Signed-off by: Pravin B. Shelar <pravins@calsoftinc.com>
Signed-off by: Ravikiran G Thirumalai <kiran@scalex86.org>
Signed-off by: Shai Fultheim <shai@scalex86.org>

Index: linux-2.6.16-rc5mm3/include/linux/percpu_counter.h
===================================================================
--- linux-2.6.16-rc5mm3.orig/include/linux/percpu_counter.h	2006-03-07 15:08:00.000000000 -0800
+++ linux-2.6.16-rc5mm3/include/linux/percpu_counter.h	2006-03-07 15:09:21.000000000 -0800
@@ -11,6 +11,7 @@
 #include <linux/smp.h>
 #include <linux/threads.h>
 #include <linux/percpu.h>
+#include <linux/interrupt.h>
 
 #ifdef CONFIG_SMP
 
@@ -110,4 +111,11 @@ static inline void percpu_counter_dec(st
 	percpu_counter_mod(fbc, -1);
 }
 
+static inline void percpu_counter_mod_bh(struct percpu_counter *fbc, long amount)
+{
+	local_bh_disable();
+	percpu_counter_mod(fbc, amount);
+	local_bh_enable();
+}
+
 #endif /* _LINUX_PERCPU_COUNTER_H */

  reply	other threads:[~2006-03-08  1:59 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-08  1:58 [patch 0/4] net: percpufy frequently used vars on struct proto Ravikiran G Thirumalai
2006-03-08  1:59 ` Ravikiran G Thirumalai [this message]
2006-03-08  2:13   ` [patch 1/4] net: percpufy frequently used vars -- add percpu_counter_mod_bh Andrew Morton
2006-03-08 20:26     ` Ravikiran G Thirumalai
2006-03-08 20:36       ` Benjamin LaHaise
2006-03-08 21:07         ` Ravikiran G Thirumalai
2006-03-08 21:17           ` Benjamin LaHaise
2006-03-08 22:25             ` Ravikiran G Thirumalai
2006-03-08 22:41               ` Benjamin LaHaise
2006-03-08 23:43                 ` Andrew Morton
2006-03-09  0:18                   ` Ravikiran G Thirumalai
2006-03-09  0:32                     ` Andrew Morton
2006-03-09  8:06                       ` Ravikiran G Thirumalai
2006-03-09  4:14                         ` Andi Kleen
2006-03-09  8:14                         ` Nick Piggin
2006-03-09  8:22                           ` Ravikiran G Thirumalai
2006-03-09  8:41                             ` Nick Piggin
2006-03-09 18:39                               ` Benjamin LaHaise
2006-03-08 23:06               ` Andrew Morton
2006-03-08 23:12                 ` Andrew Morton
2006-03-09  2:21                 ` Andi Kleen
2006-03-09  2:32                   ` Andrew Morton
2006-03-08  2:01 ` [patch 2/4] net: percpufy frequently used vars -- struct proto.memory_allocated Ravikiran G Thirumalai
2006-03-08  2:14   ` Andrew Morton
2006-03-08  3:08     ` Ravikiran G Thirumalai
2006-03-08  3:22       ` Andrew Morton
2006-03-08 20:54         ` Ravikiran G Thirumalai
2006-03-08  2:02 ` [patch 3/4] net: percpufy frequently used vars -- proto.sockets_allocated Ravikiran G Thirumalai
2006-03-08  2:16   ` Andrew Morton
2006-03-08 20:56     ` Ravikiran G Thirumalai
2006-03-08  2:03 ` [patch 4/4] net: percpufy frequently used vars -- proto.inuse Ravikiran G Thirumalai

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