From: Rik van Riel <riel@redhat.com>
To: Shaohua Li <shli@kernel.org>
Cc: Hugh Dickins <hughd@google.com>,
Konstantin Khlebnikov <khlebnikov@openvz.org>,
Minchan Kim <minchan@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Wu Fengguang <fengguang.wu@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH RFC] mm/swap: automatic tuning for swapin readahead
Date: Tue, 23 Oct 2012 09:41:00 -0400 [thread overview]
Message-ID: <50869E6C.1080907@redhat.com> (raw)
In-Reply-To: <20121023055127.GA24239@kernel.org>
On 10/23/2012 01:51 AM, Shaohua Li wrote:
> I have no strong point against the global state method. But I'd agree making the
> heuristic simple is preferred currently. I'm happy about the patch if the '+1'
> is removed.
Without the +1, how will you figure out when to re-enable readahead?
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WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Shaohua Li <shli@kernel.org>
Cc: Hugh Dickins <hughd@google.com>,
Konstantin Khlebnikov <khlebnikov@openvz.org>,
Minchan Kim <minchan@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Wu Fengguang <fengguang.wu@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH RFC] mm/swap: automatic tuning for swapin readahead
Date: Tue, 23 Oct 2012 09:41:00 -0400 [thread overview]
Message-ID: <50869E6C.1080907@redhat.com> (raw)
In-Reply-To: <20121023055127.GA24239@kernel.org>
On 10/23/2012 01:51 AM, Shaohua Li wrote:
> I have no strong point against the global state method. But I'd agree making the
> heuristic simple is preferred currently. I'm happy about the patch if the '+1'
> is removed.
Without the +1, how will you figure out when to re-enable readahead?
--
All rights reversed
next prev parent reply other threads:[~2012-10-23 13:41 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-27 4:00 [patch v2]swap: add a simple random read swapin detection Shaohua Li
2012-08-27 12:57 ` Rik van Riel
2012-08-27 14:52 ` Konstantin Khlebnikov
2012-08-30 10:36 ` [patch v3]swap: " Shaohua Li
2012-08-30 16:03 ` Rik van Riel
2012-08-30 17:42 ` Minchan Kim
2012-09-03 7:21 ` [patch v4]swap: " Shaohua Li
2012-09-03 8:32 ` Minchan Kim
2012-09-03 11:46 ` Shaohua Li
2012-09-03 19:02 ` Konstantin Khlebnikov
2012-09-03 19:05 ` Rik van Riel
2012-09-04 7:34 ` Konstantin Khlebnikov
2012-09-04 14:15 ` Rik van Riel
2012-09-06 11:08 ` [PATCH RFC] mm/swap: automatic tuning for swapin readahead Konstantin Khlebnikov
2012-09-06 11:08 ` Konstantin Khlebnikov
2012-10-01 23:00 ` Hugh Dickins
2012-10-01 23:00 ` Hugh Dickins
2012-10-02 8:58 ` Konstantin Khlebnikov
2012-10-02 8:58 ` Konstantin Khlebnikov
2012-10-03 21:07 ` Hugh Dickins
2012-10-03 21:07 ` Hugh Dickins
2012-10-04 16:23 ` Konstantin Khlebnikov
2012-10-08 22:09 ` Hugh Dickins
2012-10-08 22:09 ` Hugh Dickins
2012-10-08 22:16 ` Andrew Morton
2012-10-08 22:16 ` Andrew Morton
2012-10-09 7:53 ` Konstantin Khlebnikov
2012-10-09 7:53 ` Konstantin Khlebnikov
2012-10-16 0:50 ` Shaohua Li
2012-10-16 0:50 ` Shaohua Li
2012-10-22 7:36 ` Shaohua Li
2012-10-22 7:36 ` Shaohua Li
2012-10-23 5:16 ` Hugh Dickins
2012-10-23 5:16 ` Hugh Dickins
2012-10-23 5:51 ` Shaohua Li
2012-10-23 5:51 ` Shaohua Li
2012-10-23 13:41 ` Rik van Riel [this message]
2012-10-23 13:41 ` Rik van Riel
2012-10-24 1:13 ` Shaohua Li
2012-10-24 1:13 ` Shaohua Li
2012-11-06 5:36 ` Shaohua Li
2012-11-06 5:36 ` Shaohua Li
2012-11-14 9:48 ` Hugh Dickins
2012-11-14 9:48 ` Hugh Dickins
2012-11-19 2:33 ` Shaohua Li
2012-11-19 2:33 ` Shaohua Li
2012-09-03 22:03 ` [patch v4]swap: add a simple random read swapin detection Minchan Kim
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