diff options
Diffstat (limited to 'sys/vm/vm_pageout.h')
| -rw-r--r-- | sys/vm/vm_pageout.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/vm/vm_pageout.h b/sys/vm/vm_pageout.h index 6a34d29..6e77a33 100644 --- a/sys/vm/vm_pageout.h +++ b/sys/vm/vm_pageout.h @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_pageout.h,v 1.7 1995/01/09 16:05:54 davidg Exp $ + * $Id: vm_pageout.h,v 1.8 1995/01/10 07:32:50 davidg Exp $ */ #ifndef _VM_VM_PAGEOUT_H_ @@ -91,9 +91,18 @@ extern int vm_pageout_pages_needed; * Signal pageout-daemon and wait for it. */ +static inline void +pagedaemon_wakeup() +{ + if (!vm_pages_needed && curproc != pageproc) { + vm_pages_needed++; + wakeup((caddr_t) &vm_pages_needed); + } +} + #define VM_WAIT vm_wait() -inline static void +static inline void vm_wait() { int s; @@ -104,7 +113,10 @@ vm_wait() tsleep((caddr_t) &vm_pageout_pages_needed, PSWP, "vmwait", 0); vm_pageout_pages_needed = 0; } else { - wakeup((caddr_t) &vm_pages_needed); + if (!vm_pages_needed) { + vm_pages_needed++; + wakeup((caddr_t) &vm_pages_needed); + } tsleep((caddr_t) &cnt.v_free_count, PVM, "vmwait", 0); } splx(s); |
