diff options
Diffstat (limited to 'sys/vm/vm_page.h')
-rw-r--r-- | sys/vm/vm_page.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 7e0fff8..b2ddeb4 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -133,6 +133,7 @@ struct vm_page { u_short valid; /* map of valid DEV_BSIZE chunks */ u_short dirty; /* map of dirty DEV_BSIZE chunks */ #endif + u_int cow; /* page cow mapping count */ }; /* @@ -363,5 +364,9 @@ int vm_page_bits (int, int); void vm_page_zero_invalid(vm_page_t m, boolean_t setvalid); void vm_page_free_toq(vm_page_t m); void vm_page_zero_idle_wakeup(void); +void vm_page_cowfault (vm_page_t); +void vm_page_cowsetup (vm_page_t); +void vm_page_cowclear (vm_page_t); + #endif /* _KERNEL */ #endif /* !_VM_PAGE_ */ |