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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Nick's core remove PageReserved broke vmware...
Date: Wed, 02 Nov 2005 13:09:32 +1100	[thread overview]
Message-ID: <43681FDC.4060202@yahoo.com.au> (raw)
In-Reply-To: <4368139A.30701@vc.cvut.cz>

Petr Vandrovec wrote:

> 
> But get_user_pages() was not invoked by 'the core vm'.  I invoked it, 
> from my
> module...  same one which populated this VMA before.
> 

OK, sure in this case it should be fine because you know what you're
doing. In the case where someone submits a /dev/mem mapping for direct
IO, things would be different.


> So I've made this change...  Test probably could be for 2.6.4 <= x <= 
> 2.6.5 to rule out all buggy kernels, but I'll probably leave it this way 
> unless there is some good reason to not set VM_RESERVED on these older 
> kernels.
> 

OK, if that is all that is required to fix it for you, then that's
a good result! Thanks for the mail and be sure to let us know if you
run into any other problems.

Nick

-- 
SUSE Labs, Novell Inc.

Send instant messages to your online friends http://au.messenger.yahoo.com 

  reply	other threads:[~2005-11-02  2:09 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-01 19:30 Nick's core remove PageReserved broke vmware Petr Vandrovec
2005-11-02  0:34 ` Nick Piggin
2005-11-02  1:17   ` Petr Vandrovec
2005-11-02  2:09     ` Nick Piggin [this message]
2005-11-02 12:26     ` Hugh Dickins
2005-11-02 18:06       ` Petr Vandrovec
2005-11-02 21:04       ` Benjamin Herrenschmidt
2005-11-02 21:41         ` Hugh Dickins
2005-11-02 21:45           ` Benjamin Herrenschmidt
2005-11-02 22:02             ` Hugh Dickins
2005-11-02 22:22               ` Benjamin Herrenschmidt
2005-11-03  8:03                 ` Gleb Natapov
2005-11-03 13:32                   ` Hugh Dickins
2005-11-03 13:55                     ` Gleb Natapov
2005-11-03 21:21                       ` Benjamin Herrenschmidt
2005-11-02 22:39               ` Petr Vandrovec
2005-11-03  8:12               ` Gleb Natapov
2005-11-03 14:11                 ` Hugh Dickins
2005-11-03 14:22                   ` Gleb Natapov
2005-11-03 14:37                   ` Michael S. Tsirkin
2005-11-03 14:59                     ` Hugh Dickins
2005-11-03 15:09                       ` Gleb Natapov
2005-11-03 15:14                       ` Michael S. Tsirkin
2005-11-03 15:37                         ` Hugh Dickins
2005-11-03 15:53                           ` Gleb Natapov
2005-11-03 15:56                           ` Michael S. Tsirkin
2005-11-08 21:34                   ` Michael S. Tsirkin
2005-11-10 12:35                     ` Gleb Natapov
2005-11-10 12:48                       ` Michael S. Tsirkin
2005-11-10 12:49                         ` Gleb Natapov
2005-11-10 13:16                           ` Michael S. Tsirkin
2005-11-10 13:16                             ` Gleb Natapov
2005-11-10 13:21                             ` Hugh Dickins
2005-11-10 13:26                               ` Gleb Natapov
2005-11-10 13:15                         ` Hugh Dickins
2005-11-10 13:10                     ` Hugh Dickins
2005-11-10 13:37                       ` Michael S. Tsirkin
2005-11-10 13:55                         ` Hugh Dickins
2005-11-10 14:12                           ` Michael S. Tsirkin
2005-11-14 12:25                       ` Michael S. Tsirkin
2005-11-14 12:27                         ` Gleb Natapov
2005-11-14 12:34                           ` Michael S. Tsirkin
2005-11-14 12:40                             ` Hugh Dickins
2005-11-14 14:57                               ` Michael S. Tsirkin
2005-11-14 15:07                                 ` Gleb Natapov
2005-11-14 12:41                             ` Gleb Natapov
2005-11-14 14:52                       ` Michael S. Tsirkin
2005-11-14 15:00                         ` Gleb Natapov
2005-11-14 20:23                           ` Michael S. Tsirkin
2005-11-15  9:26                             ` Gleb Natapov
2005-11-14 15:58                         ` Hugh Dickins
2005-11-14 21:17                           ` Michael S. Tsirkin

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