diff options
| author | Marc Espie <espie@cvs.openbsd.org> | 2013-12-08 21:16:35 +0000 |
|---|---|---|
| committer | Marc Espie <espie@cvs.openbsd.org> | 2013-12-08 21:16:35 +0000 |
| commit | 88a70d680736daa713246b53fa074e1c8d3b878e (patch) | |
| tree | 778e2c9802ba29dc19877d0a1716db1feedef71c /sys/uvm/uvm_aobj.h | |
| parent | 8f12c06d56716270f7e3b6ba30c35c24f04f1e3d (diff) | |
allow aobj to shrink grow, for tmpfs support
A few tweaks asked by kettenis@
(code doesn't affect systems without mounted tmpfs at all)
okay beck@
Diffstat (limited to 'sys/uvm/uvm_aobj.h')
| -rw-r--r-- | sys/uvm/uvm_aobj.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/uvm/uvm_aobj.h b/sys/uvm/uvm_aobj.h index 218e9e3df65..c58175e7f88 100644 --- a/sys/uvm/uvm_aobj.h +++ b/sys/uvm/uvm_aobj.h @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_aobj.h,v 1.13 2011/05/10 21:48:17 oga Exp $ */ +/* $OpenBSD: uvm_aobj.h,v 1.14 2013/12/08 21:16:34 espie Exp $ */ /* $NetBSD: uvm_aobj.h,v 1.10 2000/01/11 06:57:49 chs Exp $ */ /* @@ -53,6 +53,7 @@ /* flags for uao_create: can only be used one time (at bootup) */ #define UAO_FLAG_KERNOBJ 0x1 /* create kernel object */ #define UAO_FLAG_KERNSWAP 0x2 /* enable kernel swap */ +#define UAO_FLAG_CANFAIL 0x4 /* creation can fail */ /* internal flags */ #define UAO_FLAG_NOSWAP 0x8 /* aobj can't swap (kernel obj only!) */ @@ -67,6 +68,8 @@ void uao_init(void); int uao_set_swslot(struct uvm_object *, int, int); int uao_dropswap(struct uvm_object *, int); int uao_swap_off(int, int); +int uao_shrink(struct uvm_object *, int); +int uao_grow(struct uvm_object *, int); /* * globals |