diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2002-03-06 22:05:32 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2002-03-06 22:05:32 +0000 |
| commit | 549c5967bd690e98d67c1972d07cb17605451fe9 (patch) | |
| tree | a631075a5d3993f0387ed2359239d13c1b11f2d8 /sys/uvm | |
| parent | d8961f34b035f63cf87fa838521bd854dad23f5b (diff) | |
Some architectures don't allocate any memory out of the kernel_map space
before uvm_km_init (alpha). Don't uvm_map 0 space, it gives very strange
breakage on alpha.
Diffstat (limited to 'sys/uvm')
| -rw-r--r-- | sys/uvm/uvm_km.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/uvm/uvm_km.c b/sys/uvm/uvm_km.c index 652ddafcc77..8f6a730ab5a 100644 --- a/sys/uvm/uvm_km.c +++ b/sys/uvm/uvm_km.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_km.c,v 1.27 2001/12/19 08:58:07 art Exp $ */ +/* $OpenBSD: uvm_km.c,v 1.28 2002/03/06 22:05:31 art Exp $ */ /* $NetBSD: uvm_km.c,v 1.42 2001/01/14 02:10:01 thorpej Exp $ */ /* @@ -234,8 +234,8 @@ uvm_km_init(start, end) uvm_map_setup(&kernel_map_store, base, end, VM_MAP_PAGEABLE); kernel_map_store.pmap = pmap_kernel(); - if (uvm_map(&kernel_map_store, &base, start - base, NULL, - UVM_UNKNOWN_OFFSET, 0, UVM_MAPFLAG(UVM_PROT_ALL, UVM_PROT_ALL, + if (base != start && uvm_map(&kernel_map_store, &base, start - base, + NULL, UVM_UNKNOWN_OFFSET, 0, UVM_MAPFLAG(UVM_PROT_ALL, UVM_PROT_ALL, UVM_INH_NONE, UVM_ADV_RANDOM,UVM_FLAG_FIXED)) != KERN_SUCCESS) panic("uvm_km_init: could not reserve space for kernel"); |