diff options
| author | neal <neal> | 2008-06-24 14:35:20 +0000 |
|---|---|---|
| committer | neal <neal> | 2008-06-24 14:35:20 +0000 |
| commit | b66325df3e8b995b52f9a21e6750f20fd526db0a (patch) | |
| tree | cc5c173bad5e91ce082c264508a8ace46a1a3ea8 /hurd | |
| parent | 7cc0d3ed39b6cb61d897d348b7f5bd88c8294282 (diff) | |
hurd/
2008-06-24 Neal H. Walfield <neal@gnu.org>
* cap.h (RM_object_discard): New define.
(object_discard): New method.
viengoos/
2008-06-24 Neal H. Walfield <neal@gnu.org>
* server.c (server_loop): Implement cap_discard.
* rm.h (rm_method_id_string): Handle the RM_object_discard case.
libhurd-mm/
2008-06-24 Neal H. Walfield <neal@gnu.org>
* madvise.c: New file.
* Makefile.am (libhurd_mm_a_SOURCES): Add madvise.c.
* pager.h (pager_advice_normal, pager_advice_random,
pager_advice_sequential, pager_advice_willneed,
pager_advice_dontneed): Define.
(pager_advise_t): New typedef.
(struct pager): Add field advise.
* anonymous.c (advise): New function.
(anonymous_pager_alloc): Set ANON->PAGER.ADVISE to it.
Diffstat (limited to 'hurd')
| -rw-r--r-- | hurd/ChangeLog | 5 | ||||
| -rw-r--r-- | hurd/cap.h | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/hurd/ChangeLog b/hurd/ChangeLog index 67493b4..c1cb12e 100644 --- a/hurd/ChangeLog +++ b/hurd/ChangeLog @@ -1,3 +1,8 @@ +2008-06-24 Neal H. Walfield <neal@gnu.org> + + * cap.h (RM_object_discard): New define. + (object_discard): New method. + 2008-06-23 Neal H. Walfield <neal@gnu.org> * activity.h (struct activity_stats): New fields available_local, @@ -377,6 +377,7 @@ enum RM_object_slot_copy_in, RM_object_slot_read, RM_object_discarded_clear, + RM_object_discard, RM_object_status, }; @@ -472,6 +473,13 @@ RPC(object_slot_read, 4, 2, addr_t, principal, addr_t, address_space, RPC(object_discarded_clear, 2, 0, addr_t, principal, addr_t, object) +/* If the object designated by OBJECT is in memory, discard it. + OBJECT must have write authority. This does not set the object's + discarded bit and thus does not result in a fault. Instead, the + next access will see zero-filled memory. */ +RPC(object_discard, 2, 0, + addr_t, principal, addr_t, object) + enum { object_dirty = 1 << 0, |