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From: Manfred Spraul <manfred@colorfullife.com>
To: "Imran Badr" <imran.badr@cavium.com>, linux-kernel@vger.kernel.org
Subject: RE: Calculating kernel logical address ..
Date: Mon, 09 Sep 2002 23:02:16 +0200	[thread overview]
Message-ID: <3D7D0C58.4000309@colorfullife.com> (raw)

>>As long as you can be sure they won't spontaneously vanish on you.
> 
>>--
>>Daniel
>>-
>>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>>the body of a message to majordomo@vger.kernel.org
>>More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>Please read the FAQ at  http://www.tux.org/lkml/
> 
> 
> 
> down(&current->mm->mmap_sem) would help.
> 

Wrong. Acquiring the mmap semaphore does NOT prevent the swapper from 
swapping out pages.

Only the page_table_lock prevents the swapper from touching a task.

--
	Manfred


             reply	other threads:[~2002-09-09 20:57 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-09 21:02 Manfred Spraul [this message]
2002-09-09 21:07 ` Calculating kernel logical address Imran Badr
  -- strict thread matches above, loose matches on Subject: below --
2002-09-09 21:19 Manfred Spraul
2002-09-09 21:47 ` Andrew Morton
2002-09-10 17:01   ` Manfred Spraul
2002-09-09 17:06 Imran Badr
2002-09-09 17:29 ` Richard B. Johnson
2002-09-09 17:23   ` David S. Miller
2002-09-09 17:34     ` Martin J. Bligh
2002-09-09 17:40     ` Daniel Phillips
2002-09-09 17:31   ` Imran Badr
2002-09-09 18:00     ` Richard B. Johnson
2002-09-09 18:12       ` Imran Badr
2002-09-09 18:27         ` Daniel Phillips
2002-09-09 18:41           ` Imran Badr
2002-09-09 21:55         ` Alan Cox
2002-09-09 22:52           ` Imran Badr
2002-09-09 23:09             ` Alan Cox
2002-09-09 18:13       ` Jesse Barnes
2002-09-09 18:25         ` Daniel Phillips
2002-09-09 19:40           ` Andrew Morton
2002-09-09 20:41             ` Daniel Phillips
2002-09-10  6:43               ` Jens Axboe
2002-09-10  7:12                 ` Andrew Morton
2002-09-09 18:42         ` Andrew Morton
2002-09-10  7:03           ` Gerd Knorr
2002-09-09 18:16       ` Kurt Ferreira
2002-09-09 18:17       ` David S. Miller
2002-09-09 18:17       ` Daniel Phillips
2002-09-09 18:43         ` Richard B. Johnson
2002-09-09 18:50           ` Daniel Phillips
2002-09-09 18:57             ` Richard B. Johnson
2002-09-09 18:08     ` Andrew Morton
2002-09-09 18:23       ` Daniel Phillips
2002-09-09 18:49         ` Imran Badr
2002-09-09 18:46           ` David S. Miller
2002-09-09 19:06           ` Daniel Phillips
2002-09-09 19:14             ` Andrew Morton
2002-09-09 19:23               ` Imran Badr
2002-09-06 15:44 Manfred Spraul
2002-09-06 17:13 ` Imran Badr
2002-09-07  1:57   ` Daniel Phillips
2002-09-06  3:23 side-by-side Re: BYTE Unix Benchmarks Version 3.6 Daniel Phillips
2002-09-06  3:34 ` Calculating kernel logical address Imran Badr
2002-09-07  1:44   ` Daniel Phillips
2002-09-08  0:01     ` David S. Miller
2002-09-08 18:44       ` Daniel Phillips
2002-09-09  5:00         ` David S. Miller
2002-09-09  5:17           ` Daniel Phillips
2002-09-09  5:28             ` David S. Miller

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