diff options
Diffstat (limited to 'sys/vm/vm_page.h')
| -rw-r--r-- | sys/vm/vm_page.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 8a819bb..b9241dc 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 1.35 1997/02/22 09:48:32 peter Exp $ + * $Id: vm_page.h,v 1.36 1998/02/05 03:32:47 dyson Exp $ */ /* @@ -264,17 +264,17 @@ extern vm_offset_t last_phys_addr; /* physical address for last_page */ */ #define PAGE_ASSERT_WAIT(m, interruptible) { \ - (m)->flags |= PG_WANTED; \ - assert_wait((int) (m), (interruptible)); \ - } + (m)->flags |= PG_WANTED; \ + assert_wait((int) (m), (interruptible)); \ +} #define PAGE_WAKEUP(m) { \ - (m)->flags &= ~PG_BUSY; \ - if ((m)->flags & PG_WANTED) { \ - (m)->flags &= ~PG_WANTED; \ - wakeup((caddr_t) (m)); \ - } \ - } + (m)->flags &= ~PG_BUSY; \ + if (((m)->flags & PG_WANTED) && ((m)->busy == 0)) { \ + (m)->flags &= ~PG_WANTED; \ + wakeup((m)); \ + } \ +} #if PAGE_SIZE == 4096 #define VM_PAGE_BITS_ALL 0xff @@ -316,6 +316,7 @@ int vm_page_bits __P((int, int)); vm_page_t vm_page_list_find __P((int, int)); int vm_page_queue_index __P((vm_offset_t, int)); vm_page_t vm_page_select __P((vm_object_t, vm_pindex_t, int)); +int vm_page_sleep(vm_page_t m, char *msg, char *busy); /* * Keep page from being freed by the page daemon |
