Author: brucec
Date: Fri Feb 4 10:19:56 2011
New Revision: 218259
URL: http://svn.freebsd.org/changeset/base/218259
Log:
MFC r216873:
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
Modified:
stable/8/sys/vm/swap_pager.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/vm/swap_pager.c
==============================================================================
--- stable/8/sys/vm/swap_pager.c Fri Feb 4 09:15:23 2011
(r218258)
+++ stable/8/sys/vm/swap_pager.c Fri Feb 4 10:19:56 2011
(r218259)
@@ -1668,8 +1668,6 @@ 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);
@@ -1984,8 +1982,6 @@ 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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