From: Cong Wang <amwang@redhat.com>
To: Eric B Munson <emunson@mgebm.net>
Cc: Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
Andrea Arcangeli <aarcange@redhat.com>,
Johannes Weiner <jweiner@redhat.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
linux-mm@kvack.org
Subject: Re: [PATCH 1/3] mm: completely disable THP by transparent_hugepage=never
Date: Tue, 21 Jun 2011 11:36:00 +0800 [thread overview]
Message-ID: <4E0011A0.4070401@redhat.com> (raw)
In-Reply-To: <20110620175859.GB9697@mgebm.net>
ao? 2011a1'06ae??21ae?JPY 01:58, Eric B Munson a??e??:
> If memory is this scarce, why not set CONFIG_TRANSPARENT_HUGEPAGE=n and be done
> with it? If the config option is enabled, the admin should be able to turn the
> functionality back on if desired. If you really don't _ever_ want THP then
> disable the config.
>
Unfortunately, changing .config is not always as easy as you said,
for the kdump case, we use the same kernel binary with the normal kernel
which certainly has to have THP enabled in .config.
Thanks.
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next prev parent reply other threads:[~2011-06-21 3:36 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-20 16:34 Amerigo Wang
2011-06-20 16:34 ` [PATCH 2/3] mm: make the threshold of enabling THP configurable Amerigo Wang
2011-06-20 16:59 ` Dave Hansen
2011-06-20 17:23 ` Cong Wang
2011-06-20 16:59 ` Mel Gorman
2011-06-20 17:16 ` Cong Wang
2011-06-21 9:36 ` Mel Gorman
2011-06-22 2:41 ` Cong Wang
2011-06-22 9:16 ` Mel Gorman
2011-06-22 10:46 ` Cong Wang
2011-06-22 11:15 ` Mel Gorman
2011-06-22 12:34 ` Cong Wang
2011-06-20 16:34 ` [PATCH 3/3] mm: print information when THP is disabled automatically Amerigo Wang
2011-06-20 16:54 ` Andrea Arcangeli
2011-06-20 17:25 ` Cong Wang
2011-06-20 17:01 ` Mel Gorman
2011-06-20 17:26 ` Cong Wang
2011-06-20 19:37 ` Andrea Arcangeli
2011-06-21 9:40 ` Mel Gorman
2011-06-20 16:50 ` [PATCH 1/3] mm: completely disable THP by transparent_hugepage=never Andrea Arcangeli
2011-06-20 16:55 ` Rik van Riel
2011-06-20 17:01 ` Cong Wang
2011-06-20 19:43 ` Andrea Arcangeli
2011-06-21 3:15 ` Cong Wang
2011-06-20 16:58 ` Mel Gorman
2011-06-20 17:07 ` Cong Wang
2011-06-20 17:10 ` Rik van Riel
2011-06-20 17:19 ` Cong Wang
2011-06-20 17:28 ` Rik van Riel
2011-06-20 17:34 ` Cong Wang
2011-06-20 17:50 ` Rik van Riel
2011-06-20 18:25 ` Vivek Goyal
2011-06-20 19:21 ` Andrea Arcangeli
2011-06-21 4:08 ` Cong Wang
2011-06-21 14:43 ` Andrea Arcangeli
2011-06-22 2:56 ` Cong Wang
2011-06-22 14:22 ` Andrea Arcangeli
2011-06-21 20:01 ` Rik van Riel
2011-06-21 3:28 ` Cong Wang
2011-06-20 17:58 ` Eric B Munson
2011-06-21 3:36 ` Cong Wang [this message]
2011-06-20 17:59 ` Vivek Goyal
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