From: Andrea Arcangeli <aarcange@redhat.com>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>, Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] mm: thp: Redefine default THP defrag behaviour disable it by default
Date: Fri, 26 Feb 2016 00:08:24 +0100 [thread overview]
Message-ID: <20160225230824.GG1180@redhat.com> (raw)
In-Reply-To: <20160225230219.GF1180@redhat.com>
On Fri, Feb 26, 2016 at 12:02:19AM +0100, Andrea Arcangeli wrote:
> Let's first agree if direct compaction is going to hurt also for the
> MADV_HUGEPAGE case. I say MADV_HUGEPAGE benefits from direct
> compaction and is not hurt by not doing direct compaction. If you
^^^ drop this not sorry for any confusion :)
> agree with this concept, I'd ask to change your patch, because your
> patch in turn is hurting MADV_HUGEPAGE users.
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WARNING: multiple messages have this Message-ID (diff)
From: Andrea Arcangeli <aarcange@redhat.com>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>, Rik van Riel <riel@redhat.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/1] mm: thp: Redefine default THP defrag behaviour disable it by default
Date: Fri, 26 Feb 2016 00:08:24 +0100 [thread overview]
Message-ID: <20160225230824.GG1180@redhat.com> (raw)
In-Reply-To: <20160225230219.GF1180@redhat.com>
On Fri, Feb 26, 2016 at 12:02:19AM +0100, Andrea Arcangeli wrote:
> Let's first agree if direct compaction is going to hurt also for the
> MADV_HUGEPAGE case. I say MADV_HUGEPAGE benefits from direct
> compaction and is not hurt by not doing direct compaction. If you
^^^ drop this not sorry for any confusion :)
> agree with this concept, I'd ask to change your patch, because your
> patch in turn is hurting MADV_HUGEPAGE users.
next prev parent reply other threads:[~2016-02-25 23:08 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-25 17:12 [PATCH 1/1] mm: thp: Redefine default THP defrag behaviour disable it by default Mel Gorman
2016-02-25 17:12 ` Mel Gorman
2016-02-25 18:32 ` Rik van Riel
2016-02-25 19:07 ` Mel Gorman
2016-02-25 19:07 ` Mel Gorman
2016-02-25 19:01 ` Andrea Arcangeli
2016-02-25 19:01 ` Andrea Arcangeli
2016-02-25 19:56 ` Mel Gorman
2016-02-25 19:56 ` Mel Gorman
2016-02-25 23:02 ` Andrea Arcangeli
2016-02-25 23:02 ` Andrea Arcangeli
2016-02-25 23:08 ` Andrea Arcangeli [this message]
2016-02-25 23:08 ` Andrea Arcangeli
2016-02-26 11:13 ` Mel Gorman
2016-02-26 11:13 ` Mel Gorman
2016-02-26 19:50 ` Andrea Arcangeli
2016-02-26 19:50 ` Andrea Arcangeli
2016-02-26 20:46 ` Mel Gorman
2016-02-26 20:46 ` Mel Gorman
2016-02-26 10:32 ` Kirill A. Shutemov
2016-02-26 10:32 ` Kirill A. Shutemov
2016-03-02 18:47 ` Andrea Arcangeli
2016-03-02 18:47 ` Andrea Arcangeli
2016-02-25 19:45 ` Johannes Weiner
2016-02-25 19:45 ` Johannes Weiner
2016-02-26 10:52 ` Mel Gorman
2016-02-26 10:52 ` Mel Gorman
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