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author | alc <alc@FreeBSD.org> | 2010-12-25 21:26:56 +0000 |
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committer | alc <alc@FreeBSD.org> | 2010-12-25 21:26:56 +0000 |
commit | 971b02b7bcce9c49f919797dcad7b646c206b7b6 (patch) | |
tree | 069da87e128b6f0f35be7629bb29fa3f3c2db97e /sys/vm/vm_extern.h | |
parent | 8e6dc31ba726f1333c1f0a995641a8d976ea3b4b (diff) | |
download | FreeBSD-src-971b02b7bcce9c49f919797dcad7b646c206b7b6.zip FreeBSD-src-971b02b7bcce9c49f919797dcad7b646c206b7b6.tar.gz |
Introduce and use a new VM interface for temporarily pinning pages. This
new interface replaces the combined use of vm_fault_quick() and
pmap_extract_and_hold() throughout the kernel.
In collaboration with: kib@
Diffstat (limited to 'sys/vm/vm_extern.h')
-rw-r--r-- | sys/vm/vm_extern.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/vm/vm_extern.h b/sys/vm/vm_extern.h index b4ad02b..4c1e304 100644 --- a/sys/vm/vm_extern.h +++ b/sys/vm/vm_extern.h @@ -63,6 +63,8 @@ void vm_fault_copy_entry(vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t, vm_ooffset_t *); int vm_fault_hold(vm_map_t map, vm_offset_t vaddr, vm_prot_t fault_type, int fault_flags, vm_page_t *m_hold); +int vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len, + vm_prot_t prot, vm_page_t *ma, int max_count); void vm_fault_unwire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); int vm_fault_wire(vm_map_t, vm_offset_t, vm_offset_t, boolean_t); int vm_forkproc(struct thread *, struct proc *, struct thread *, struct vmspace *, int); |