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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