From: David Miller <davem@davemloft.net>
From: Nick Piggin <npiggin@suse.de>
To: npiggin@suse.de
Cc: akpm@linux-foundation.org, shaggy@austin.ibm.com,
axboe@oracle.com, linux-mm@kvack.org, linux-arch@vger.kernel.org,
torvalds@linux-foundation.org
Subject: Re: [patch 1/2]: x86: implement pte_special
Date: Thu, 27 Mar 2008 21:16:32 -0700 (PDT)
Date: Fri, 28 Mar 2008 05:15:20 +0100 [thread overview]
Message-ID: <20080327.211632.02770342.davem@davemloft.net> (raw)
In-Reply-To: <20080328041519.GF8083@wotan.suse.de>
> The other thing is that the "how do I know if I can refcount the page
> behind this (mm,vaddr,pte) tuple" can be quite arch specific as well.
> And it is also non-trivial to do because that information can be dynamic
> depending on what driver mapped in that given tuple.
Those are good points.
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next prev parent reply other threads:[~2008-03-28 4:16 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-28 2:54 [patch 0/2]: lockless get_user_pages patchset Nick Piggin
2008-03-28 2:55 ` [patch 1/2]: x86: implement pte_special Nick Piggin
2008-03-28 3:23 ` David Miller, Nick Piggin
2008-03-28 3:31 ` Nick Piggin
2008-03-28 3:44 ` David Miller, Nick Piggin
2008-03-28 4:04 ` Nick Piggin
2008-03-28 4:09 ` David Miller, Nick Piggin
2008-03-28 4:15 ` Nick Piggin
2008-03-28 4:16 ` David Miller, Nick Piggin [this message]
2008-03-28 4:19 ` Nick Piggin
2008-03-28 4:17 ` Nick Piggin
2008-03-28 3:00 ` [patch 2/2]: introduce fast_gup Nick Piggin
2008-03-28 10:01 ` Jens Axboe
2008-04-17 15:03 ` Peter Zijlstra
2008-04-17 15:25 ` Linus Torvalds
2008-04-17 16:12 ` Peter Zijlstra
2008-04-17 16:18 ` Linus Torvalds
2008-04-17 16:35 ` Peter Zijlstra
2008-04-17 16:40 ` Linus Torvalds
2008-04-17 17:23 ` Peter Zijlstra
2008-04-17 18:28 ` Linus Torvalds
2008-04-22 3:14 ` Nick Piggin
2008-04-18 6:31 ` Geert Uytterhoeven
2008-04-18 14:40 ` Linus Torvalds
2008-04-18 9:58 ` Jeremy Fitzhardinge
2008-04-21 12:00 ` Avi Kivity
2008-04-21 12:30 ` Peter Zijlstra
2008-04-21 13:26 ` Avi Kivity
2008-04-21 14:35 ` Peter Zijlstra
2008-04-22 3:23 ` Nick Piggin
2008-04-22 7:19 ` Avi Kivity
2008-04-22 8:07 ` Ingo Molnar
2008-04-22 9:42 ` Peter Zijlstra
2008-04-22 9:46 ` Nick Piggin
2008-05-14 18:33 ` Dave Kleikamp
2008-05-15 1:13 ` Nick Piggin
-- strict thread matches above, loose matches on Subject: below --
2008-05-21 11:59 [patch 1/2] x86: implement pte_special Nick Piggin
2008-05-25 14:48 Nick Piggin
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