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Re: sys_exit() and zap_page_range()

To: Andrew Morton <andrewm@uow.edu.au>
Subject: Re: sys_exit() and zap_page_range()
From: "Stephen C. Tweedie" <sct@redhat.com>
Date: Tue, 11 Jul 2000 14:35:58 +0100
Cc: "Stephen C. Tweedie" <sct@redhat.com>, "linux-mm@kvack.org" <linux-mm@kvack.org>
In-Reply-To: <396B0408.3773A5B6@uow.edu.au>; from andrewm@uow.edu.au on Tue, Jul 11, 2000 at 09:24:56PM +1000
References: <3965EC8E.5950B758@uow.edu.au>, <3965EC8E.5950B758@uow.edu.au>; <20000711093920.B1054@redhat.com> <396B0408.3773A5B6@uow.edu.au>
Sender: owner-linux-mm@kvack.org
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Hi,

On Tue, Jul 11, 2000 at 09:24:56PM +1000, Andrew Morton wrote:
> 
> Nope.  Take out the msyncs and it still does it.

Unmapping a writable region results in an implicit msync.  That
includes exit() and munmap().
 
> But with or without msync(), the file has been closed and unlinked when
> mmap002 exits.

Have all mappings been unmapped, though?

--Stephen
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Follow-Ups:
- Re: sys_exit() and zap_page_range()
  - From: Richard Guenther <richard.guenther@student.uni-tuebingen.de>

References:
- sys_exit() and zap_page_range()
  - From: Andrew Morton <andrewm@uow.edu.au>
- sys_exit() and zap_page_range()
  - From: Andrew Morton <andrewm@uow.edu.au>
- Re: sys_exit() and zap_page_range()
  - From: "Stephen C. Tweedie" <sct@redhat.com>
- Re: sys_exit() and zap_page_range()
  - From: Andrew Morton <andrewm@uow.edu.au>
- Re: sys_exit() and zap_page_range()
  - From: Andrew Morton <andrewm@uow.edu.au>

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