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Date: Mon, 10 Dec 2007 20:30:04 GMT
Message-Id: <200712102030.lBAKU4oo055505@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
From: Tijl Coosemans <tijl@ulyssis.org>
Cc: 
Subject: Re: kern/118510: [libc] munmap(2) doesn't remove all mappings
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The following reply was made to PR kern/118510; it has been noted by GNATS.

From: Tijl Coosemans <tijl@ulyssis.org>
To: bug-followup@freebsd.org
Cc:  
Subject: Re: kern/118510: [libc] munmap(2) doesn't remove all mappings
Date: Mon, 10 Dec 2007 21:21:32 +0100

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   charset="us-ascii"
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 proposed patch
 
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   charset="us-ascii";
   name="vm_mmap.patch"
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 Content-Disposition: attachment;
 	filename="vm_mmap.patch"
 
 --- sys/vm/vm_mmap.c.orig	2007-12-10 15:57:00.000000000 +0100
 +++ sys/vm/vm_mmap.c	2007-12-10 20:40:42.000000000 +0100
 @@ -555,13 +555,6 @@
  	if (addr < vm_map_min(map) || addr + size > vm_map_max(map))
  		return (EINVAL);
  	vm_map_lock(map);
 -	/*
 -	 * Make sure entire range is allocated.
 -	 */
 -	if (!vm_map_check_protection(map, addr, addr + size, VM_PROT_NONE)) {
 -		vm_map_unlock(map);
 -		return (EINVAL);
 -	}
  #ifdef HWPMC_HOOKS
  	/*
  	 * Inform hwpmc if the address range being unmapped contains
 
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