The following reply was made to PR kern/133170; it has been noted by GNATS.

From: dfil...@freebsd.org (dfilter service)
To: bug-follo...@freebsd.org
Cc:  
Subject: Re: kern/133170: commit references a PR
Date: Sat,  1 Jan 2011 16:59:12 +0000 (UTC)

 Author: brucec
 Date: Sat Jan  1 16:59:05 2011
 New Revision: 216873
 URL: http://svn.freebsd.org/changeset/base/216873
 
 Log:
   There can be more than 0x20000000 swap meta blocks allocated if a swap-backed
   md(4) device is used. Don't panic when deallocating such a device if swap
   has been used.
   
   PR:  kern/133170
   Discussed with:      kib
   MFC after:   3 days
 
 Modified:
   head/sys/vm/swap_pager.c
 
 Modified: head/sys/vm/swap_pager.c
 ==============================================================================
 --- head/sys/vm/swap_pager.c   Sat Jan  1 16:47:12 2011        (r216872)
 +++ head/sys/vm/swap_pager.c   Sat Jan  1 16:59:05 2011        (r216873)
 @@ -1679,8 +1679,6 @@ swap_pager_isswapped(vm_object_t object,
                        }
                }
                index += SWAP_META_PAGES;
 -              if (index > 0x20000000)
 -                      panic("swap_pager_isswapped: failed to locate all swap 
meta blocks");
        }
        mtx_unlock(&swhash_mtx);
        return (0);
 @@ -1995,8 +1993,6 @@ swp_pager_meta_free_all(vm_object_t obje
                }
                mtx_unlock(&swhash_mtx);
                index += SWAP_META_PAGES;
 -              if (index > 0x20000000)
 -                      panic("swp_pager_meta_free_all: failed to locate all 
swap meta blocks");
        }
  }
  
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