From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Joel Schopp <jschopp@austin.ibm.com>
Cc: Nick Piggin <npiggin@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [RFC][patch] mm: single pcp lists
Date: Thu, 23 Feb 2006 15:28:22 +1100 [thread overview]
Message-ID: <43FD39E6.7050701@yahoo.com.au> (raw)
In-Reply-To: <43FCE394.9010502@austin.ibm.com>
Joel Schopp wrote:
>> -struct per_cpu_pages {
>> +struct per_cpu_pageset {
>> + struct list_head list; /* the list of pages */
>> int count; /* number of pages in the list */
>> + int cold_count; /* number of cold pages in the list */
>> int high; /* high watermark, emptying needed */
>> int batch; /* chunk size for buddy add/remove */
>> - struct list_head list; /* the list of pages */
>> -};
>
>
> Any particular reason to move the list_head to the front?
>
Nothing particular. I think it was for alignment at one stage
before cold_count was added.
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
WARNING: multiple messages have this Message-ID (diff)
From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Joel Schopp <jschopp@austin.ibm.com>
Cc: Nick Piggin <npiggin@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [RFC][patch] mm: single pcp lists
Date: Thu, 23 Feb 2006 15:28:22 +1100 [thread overview]
Message-ID: <43FD39E6.7050701@yahoo.com.au> (raw)
In-Reply-To: <43FCE394.9010502@austin.ibm.com>
Joel Schopp wrote:
>> -struct per_cpu_pages {
>> +struct per_cpu_pageset {
>> + struct list_head list; /* the list of pages */
>> int count; /* number of pages in the list */
>> + int cold_count; /* number of cold pages in the list */
>> int high; /* high watermark, emptying needed */
>> int batch; /* chunk size for buddy add/remove */
>> - struct list_head list; /* the list of pages */
>> -};
>
>
> Any particular reason to move the list_head to the front?
>
Nothing particular. I think it was for alignment at one stage
before cold_count was added.
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
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next prev parent reply other threads:[~2006-02-23 4:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-22 14:32 [RFC][patch] mm: single pcp lists Nick Piggin
2006-02-22 14:32 ` Nick Piggin
2006-02-22 14:33 ` [patch] mm: pcp stats Nick Piggin
2006-02-22 14:33 ` Nick Piggin
2006-02-22 22:20 ` [RFC][patch] mm: single pcp lists Joel Schopp
2006-02-22 22:20 ` Joel Schopp
2006-02-23 4:28 ` Nick Piggin [this message]
2006-02-23 4:28 ` Nick Piggin
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