From: Peter Zijlstra <peterz@infradead.org>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Andres Lagar-Cavilla <andreslc@google.com>,
Gleb Natapov <gleb@kernel.org>, Radim Krcmar <rkrcmar@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Andy Lutomirski <luto@amacapital.net>,
Andrew Morton <akpm@linux-foundation.org>,
Sasha Levin <sasha.levin@oracle.com>,
Jianyu Zhan <nasa4836@gmail.com>,
Paul Cassella <cassella@cray.com>,
Hugh Dickins <hughd@google.com>,
Peter Feiner <pfeiner@google.com>,
"\\\"Dr. David Alan Gilbert\\\"" <dgilbert@redhat.com>
Subject: Re: [PATCH 3/4] mm: gup: use get_user_pages_fast and get_user_pages_unlocked
Date: Thu, 9 Oct 2014 12:52:45 +0200 [thread overview]
Message-ID: <20141009105245.GN4750@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <1412153797-6667-4-git-send-email-aarcange@redhat.com>
On Wed, Oct 01, 2014 at 10:56:36AM +0200, Andrea Arcangeli wrote:
> Just an optimization.
Does it make sense to split the thing in two? One where you apply
_unlocked and then one where you apply _fast?
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, Andres Lagar-Cavilla <andreslc@google.com>,
Gleb Natapov <gleb@kernel.org>, Radim Krcmar <rkrcmar@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Rik van Riel <riel@redhat.com>, Mel Gorman <mgorman@suse.de>,
Andy Lutomirski <luto@amacapital.net>,
Andrew Morton <akpm@linux-foundation.org>,
Sasha Levin <sasha.levin@oracle.com>,
Jianyu Zhan <nasa4836@gmail.com>,
Paul Cassella <cassella@cray.com>,
Hugh Dickins <hughd@google.com>,
Peter Feiner <pfeiner@google.com>,
"\\\"Dr. David Alan Gilbert\\\"" <dgilbert@redhat.com>
Subject: Re: [PATCH 3/4] mm: gup: use get_user_pages_fast and get_user_pages_unlocked
Date: Thu, 9 Oct 2014 12:52:45 +0200 [thread overview]
Message-ID: <20141009105245.GN4750@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <1412153797-6667-4-git-send-email-aarcange@redhat.com>
On Wed, Oct 01, 2014 at 10:56:36AM +0200, Andrea Arcangeli wrote:
> Just an optimization.
Does it make sense to split the thing in two? One where you apply
_unlocked and then one where you apply _fast?
next prev parent reply other threads:[~2014-10-09 10:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-01 8:56 [PATCH 0/4] leverage FAULT_FOLL_ALLOW_RETRY in get_user_pages Andrea Arcangeli
2014-10-01 8:56 ` Andrea Arcangeli
2014-10-01 8:56 ` [PATCH 1/4] mm: gup: add FOLL_TRIED Andrea Arcangeli
2014-10-01 8:56 ` Andrea Arcangeli
2014-10-01 8:56 ` Andrea Arcangeli
2014-10-09 10:35 ` Peter Zijlstra
2014-10-09 10:35 ` Peter Zijlstra
2014-10-09 10:35 ` Peter Zijlstra
2014-10-01 8:56 ` [PATCH 2/4] mm: gup: add get_user_pages_locked and get_user_pages_unlocked Andrea Arcangeli
2014-10-01 8:56 ` Andrea Arcangeli
2014-10-01 15:51 ` Peter Feiner
2014-10-01 15:51 ` Peter Feiner
2014-10-01 17:06 ` Andres Lagar-Cavilla
2014-10-01 17:06 ` Andres Lagar-Cavilla
2014-10-02 12:40 ` Andrea Arcangeli
2014-10-02 12:40 ` Andrea Arcangeli
2014-10-09 10:47 ` Peter Zijlstra
2014-10-09 10:47 ` Peter Zijlstra
2014-10-29 16:41 ` Andrea Arcangeli
2014-10-29 16:41 ` Andrea Arcangeli
2014-10-09 10:50 ` Peter Zijlstra
2014-10-09 10:50 ` Peter Zijlstra
2014-10-29 16:39 ` Andrea Arcangeli
2014-10-29 16:39 ` Andrea Arcangeli
2014-10-01 8:56 ` [PATCH 3/4] mm: gup: use get_user_pages_fast " Andrea Arcangeli
2014-10-01 8:56 ` Andrea Arcangeli
2014-10-01 9:10 ` Andrea Arcangeli
2014-10-01 9:10 ` Andrea Arcangeli
2014-10-01 16:54 ` Sasha Levin
2014-10-01 16:54 ` Sasha Levin
2014-10-09 10:52 ` Peter Zijlstra [this message]
2014-10-09 10:52 ` Peter Zijlstra
2014-10-12 13:24 ` Andrea Arcangeli
2014-10-12 13:24 ` Andrea Arcangeli
2014-10-01 8:56 ` [PATCH 4/4] mm: gup: use get_user_pages_unlocked within get_user_pages_fast Andrea Arcangeli
2014-10-01 8:56 ` Andrea Arcangeli
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