diff options
| author | alc <alc@FreeBSD.org> | 2002-07-13 20:55:21 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-07-13 20:55:21 +0000 |
| commit | 828e129a104d290776ee93555930a9c9f53b7bd6 (patch) | |
| tree | 112c6c5d9bec2f3e71756f53a17e33836ebc0002 /sys/pci/agp.c | |
| parent | a23831a53890f04214677545c287decb8eb6b6d9 (diff) | |
| download | FreeBSD-src-828e129a104d290776ee93555930a9c9f53b7bd6.zip FreeBSD-src-828e129a104d290776ee93555930a9c9f53b7bd6.tar.gz | |
o Complete the locking of page queue accesses by vm_page_unwire().
o Assert that the page queues lock is held in vm_page_unwire().
o Make vm_page_lock_queues() and vm_page_unlock_queues() visible
to kernel loadable modules.
Diffstat (limited to 'sys/pci/agp.c')
| -rw-r--r-- | sys/pci/agp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/pci/agp.c b/sys/pci/agp.c index b16d1ee..ab488fb 100644 --- a/sys/pci/agp.c +++ b/sys/pci/agp.c @@ -448,7 +448,9 @@ agp_generic_bind_memory(device_t dev, struct agp_memory *mem, for (k = 0; k <= i; k += PAGE_SIZE) { m = vm_page_lookup(mem->am_obj, OFF_TO_IDX(k)); + vm_page_lock_queues(); vm_page_unwire(m, 0); + vm_page_unlock_queues(); } lockmgr(&sc->as_lock, LK_RELEASE, 0, curthread); return error; @@ -499,7 +501,9 @@ agp_generic_unbind_memory(device_t dev, struct agp_memory *mem) AGP_UNBIND_PAGE(dev, mem->am_offset + i); for (i = 0; i < mem->am_size; i += PAGE_SIZE) { m = vm_page_lookup(mem->am_obj, atop(i)); + vm_page_lock_queues(); vm_page_unwire(m, 0); + vm_page_unlock_queues(); } agp_flush_cache(); |
