diff options
Diffstat (limited to 'sys/vm/vm_page.h')
| -rw-r--r-- | sys/vm/vm_page.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 6ffb8676eebb..2d7e7401dfe2 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -136,7 +136,8 @@ struct vm_page { }; /* - * note SWAPBLK_NONE is a flag, basically the high bit. + * note: currently use SWAPBLK_NONE as an absolute value rather then + * a flag bit. */ #define SWAPBLK_MASK ((daddr_t)((u_daddr_t)-1 >> 1)) /* mask */ @@ -391,6 +392,7 @@ void vm_page_activate __P((vm_page_t)); vm_page_t vm_page_alloc __P((vm_object_t, vm_pindex_t, int)); vm_page_t vm_page_grab __P((vm_object_t, vm_pindex_t, int)); void vm_page_cache __P((register vm_page_t)); +void vm_page_dontneed __P((register vm_page_t)); static __inline void vm_page_copy __P((vm_page_t, vm_page_t)); static __inline void vm_page_free __P((vm_page_t)); static __inline void vm_page_free_zero __P((vm_page_t)); |