From: Andrea Arcangeli <aarcange@redhat.com>
To: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Rik van Riel <riel@redhat.com>, Izik Eidus <ieidus@redhat.com>,
linux-kernel@vger.kernel.org, nickpiggin@yahoo.com.au
Subject: Re: running get_user_pages() from kernel thread
Date: Tue, 16 Jun 2009 22:38:44 +0200 [thread overview]
Message-ID: <20090616203844.GE23969@random.random> (raw)
In-Reply-To: <Pine.LNX.4.64.0906162035240.2933@sister.anvils>
On Tue, Jun 16, 2009 at 08:45:05PM +0100, Hugh Dickins wrote:
> liking the below better - what do you think? If you approve, I'll send
> it in to Andrew for mmotm: I can't quite justify it without KSM.
I think it's definitely better to fix gup to be safe from kernel
thread even without KSM so this can go in mainline well before KSM.
Unless gup requires a swapin fault it won't ever trigger.
next prev parent reply other threads:[~2009-06-16 20:38 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-16 18:05 running get_user_pages() from kernel thread Izik Eidus
2009-06-16 18:13 ` Andrea Arcangeli
2009-06-16 18:38 ` Hugh Dickins
2009-06-16 18:55 ` Rik van Riel
2009-06-16 19:45 ` Hugh Dickins
2009-06-16 20:38 ` Andrea Arcangeli [this message]
2009-06-16 21:02 ` Hugh Dickins
2009-06-16 21:19 ` Rik van Riel
2009-06-16 19:20 ` Izik Eidus
2009-06-16 20:45 ` Hugh Dickins
2009-06-16 21:25 ` Izik Eidus
2009-06-16 20:08 ` Johannes Weiner
2009-06-16 20:57 ` Hugh Dickins
2009-06-16 21:50 ` [patch 1/2] mm: make swap token dummies static inlines Johannes Weiner
2009-06-16 21:55 ` Rik van Riel
2009-06-16 21:50 ` [patch 2/2] mm: remove task assumptions from swap token Johannes Weiner
2009-06-16 21:56 ` Rik van Riel
2009-06-17 2:00 ` Minchan Kim
2009-06-17 8:31 ` Johannes Weiner
2009-06-16 21:52 ` running get_user_pages() from kernel thread Johannes Weiner
2009-06-21 13:02 ` [PATCH] mm: pass mm to grab_swap_token Hugh Dickins
2009-06-22 0:32 ` Minchan Kim
2009-06-16 21:16 ` running get_user_pages() from kernel thread Rik van Riel
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