diff options
Diffstat (limited to 'sys/vm/vm_page.h')
| -rw-r--r-- | sys/vm/vm_page.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 3149391d91277..32c83410f73f1 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_page.h,v 1.48 1998/10/28 13:37:02 dg Exp $ + * $Id: vm_page.h,v 1.45 1998/09/01 17:12:19 wollman Exp $ */ /* @@ -203,6 +203,7 @@ extern struct vpgqueues { */ #define PG_BUSY 0x01 /* page is in transit (O) */ #define PG_WANTED 0x02 /* someone is waiting for page (O) */ +#define PG_TABLED 0x04 /* page is in an object (O) */ #define PG_FICTITIOUS 0x08 /* physical page doesn't exist (O) */ #define PG_WRITEABLE 0x10 /* page is mapped writeable */ #define PG_MAPPED 0x20 /* page is mapped */ @@ -361,7 +362,7 @@ vm_page_t vm_page_lookup __P((vm_object_t, vm_pindex_t)); void vm_page_remove __P((vm_page_t)); void vm_page_rename __P((vm_page_t, vm_object_t, vm_pindex_t)); vm_offset_t vm_page_startup __P((vm_offset_t, vm_offset_t, vm_offset_t)); -void vm_page_unwire __P((vm_page_t, int)); +void vm_page_unwire __P((vm_page_t)); void vm_page_wire __P((vm_page_t)); void vm_page_unqueue __P((vm_page_t)); void vm_page_unqueue_nowakeup __P((vm_page_t)); @@ -391,8 +392,12 @@ vm_page_hold(vm_page_t mem) static __inline void vm_page_unhold(vm_page_t mem) { +#ifdef DIAGNOSTIC + if (--mem->hold_count < 0) + panic("vm_page_unhold: hold count < 0!!!"); +#else --mem->hold_count; - KASSERT(mem->hold_count >= 0, ("vm_page_unhold: hold count < 0!!!")); +#endif } static __inline void |