Date: Fri, 7 Jun 2002 13:37:47 -0500 From: Alan Cox <alc@cs.rice.edu> To: Alan Cox <alc@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_map.c vm_map.h Message-ID: <20020607183747.GA18035@cs.rice.edu> In-Reply-To: <200206071834.g57IYNv64891@freefall.freebsd.org> References: <200206071834.g57IYNv64891@freefall.freebsd.org>
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On Fri, Jun 07, 2002 at 11:34:23AM -0700, Alan Cox wrote:
> alc 2002/06/07 11:34:23 PDT
>
> Modified files:
> sys/vm vm_map.c vm_map.h
> Log:
> o Add vm_map_unwire() for unwiring contiguous regions of either kernel
> or user vm_maps. In accordance with the standards for munlock(2),
> and in contrast to vm_map_user_pageable(), this implementation does not
> allow holes in the specified region. This implementation uses the
> "in transition" flag described below.
> o Introduce a new flag, "in transition," to the vm_map_entry.
> Eventually, vm_map_delete() and vm_map_simplify_entry() will respect
not
> this flag by deallocating in-transition vm_map_entrys, allowing
^
> the vm_map lock to be safely released in vm_map_unwire() and (the
> forthcoming) vm_map_wire().
> o Modify vm_map_simplify_entry() to respect the in-transition flag.
>
> In collaboration with: tegge
>
> Revision Changes Path
> 1.243 +163 -1 src/sys/vm/vm_map.c
> 1.85 +4 -0 src/sys/vm/vm_map.h
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