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Comment out pmap_prefault for the time being (perhaps until after 2.1).

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The object_init_pt routine is still enabled and used, however, and this
is where most of the 'pre-faulting' performance improvement comes from.
This commit is contained in:
David Greenman 1995-01-26 01:45:02 +00:00
parent 1e9122e529
commit d3a10e2cad
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=5916
2 changed files with 6 additions and 2 deletions
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4
sys/amd64/amd64/pmap.c
View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.44 1995/01/25 22:06:23 davidg Exp $
* $Id: pmap.c,v 1.45 1995/01/26 00:55:03 davidg Exp $
*/
/*
@ -1548,6 +1548,7 @@ pmap_object_init_pt(pmap, addr, object, offset, size)
vm_object_unlock(object);
}
#if 0
/*
* pmap_prefault provides a quick way of clustering
* pagefaults into a processes address space. It is a "cousin"
@ -1636,6 +1637,7 @@ pmap_prefault(pmap, addra, entry, object)
}
}
}
#endif
/*
* Routine: pmap_change_wiring

4
sys/i386/i386/pmap.c
View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.44 1995/01/25 22:06:23 davidg Exp $
* $Id: pmap.c,v 1.45 1995/01/26 00:55:03 davidg Exp $
*/
/*
@ -1548,6 +1548,7 @@ pmap_object_init_pt(pmap, addr, object, offset, size)
vm_object_unlock(object);
}
#if 0
/*
* pmap_prefault provides a quick way of clustering
* pagefaults into a processes address space. It is a "cousin"
@ -1636,6 +1637,7 @@ pmap_prefault(pmap, addra, entry, object)
}
}
}
#endif
/*
* Routine: pmap_change_wiring