diff options
| author | Artur Grabowski <art@cvs.openbsd.org> | 2001-08-11 10:57:23 +0000 |
|---|---|---|
| committer | Artur Grabowski <art@cvs.openbsd.org> | 2001-08-11 10:57:23 +0000 |
| commit | 7a180b0dffd8a6191dc39c284c4b43646bbe8ac6 (patch) | |
| tree | 5442aa1b4d2ff26b5330a6478a7d647080cc100a /sys/uvm/uvm_map_i.h | |
| parent | 511fb2556ded7a7b5ce46090532eccce46d77468 (diff) | |
Various random fixes from NetBSD.
Including support for zeroing pages in the idle loop (not enabled yet).
Diffstat (limited to 'sys/uvm/uvm_map_i.h')
| -rw-r--r-- | sys/uvm/uvm_map_i.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sys/uvm/uvm_map_i.h b/sys/uvm/uvm_map_i.h index 39262affb39..cac5159678e 100644 --- a/sys/uvm/uvm_map_i.h +++ b/sys/uvm/uvm_map_i.h @@ -1,5 +1,5 @@ -/* $OpenBSD: uvm_map_i.h,v 1.7 2001/05/10 07:59:06 art Exp $ */ -/* $NetBSD: uvm_map_i.h,v 1.16 1999/07/01 20:07:05 thorpej Exp $ */ +/* $OpenBSD: uvm_map_i.h,v 1.8 2001/08/11 10:57:22 art Exp $ */ +/* $NetBSD: uvm_map_i.h,v 1.17 2000/05/08 22:59:35 thorpej Exp $ */ /* * Copyright (c) 1997 Charles D. Cranor and Washington University. @@ -132,8 +132,12 @@ uvm_map_setup(map, min, max, flags) /* * If the map is interrupt safe, place it on the list * of interrupt safe maps, for uvm_fault(). + * + * We almost never set up an interrupt-safe map, but we set + * up quite a few regular ones (at every fork!), so put + * interrupt-safe map setup in the slow path. */ - if (flags & VM_MAP_INTRSAFE) { + if (__predict_false(flags & VM_MAP_INTRSAFE)) { struct vm_map_intrsafe *vmi = (struct vm_map_intrsafe *)map; int s; @@ -192,7 +196,7 @@ MAP_INLINE void uvm_map_reference(map) vm_map_t map; { - if (map == NULL) { + if (__predict_false(map == NULL)) { #ifdef DIAGNOSTIC printf("uvm_map_reference: reference to NULL map\n"); #ifdef DDB @@ -220,7 +224,7 @@ uvm_map_deallocate(map) { int c; - if (map == NULL) { + if (__predict_false(map == NULL)) { #ifdef DIAGNOSTIC printf("uvm_map_deallocate: reference to NULL map\n"); #ifdef DDB |