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| author | alc <alc@FreeBSD.org> | 2010-06-11 15:49:39 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2010-06-11 15:49:39 +0000 |
| commit | 6a3535c3fa18af41cdca53d39cc5cfa30c33b489 (patch) | |
| tree | 550ff47684da099980515a2516e246ffd5339741 /sys/sparc64 | |
| parent | 36542ba7ce7973f7b9df1cef37c89721a3f722a8 (diff) | |
| download | FreeBSD-src-6a3535c3fa18af41cdca53d39cc5cfa30c33b489.zip FreeBSD-src-6a3535c3fa18af41cdca53d39cc5cfa30c33b489.tar.gz | |
Relax one of the new assertions in pmap_enter() a little. Specifically,
allow pmap_enter() to be performed on an unmanaged page that doesn't have
VPO_BUSY set. Having VPO_BUSY set really only matters for managed pages.
(See, for example, pmap_remove_write().)
Diffstat (limited to 'sys/sparc64')
| -rw-r--r-- | sys/sparc64/sparc64/pmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/sparc64/sparc64/pmap.c b/sys/sparc64/sparc64/pmap.c index 736602c..caceb3f 100644 --- a/sys/sparc64/sparc64/pmap.c +++ b/sys/sparc64/sparc64/pmap.c @@ -1351,7 +1351,8 @@ pmap_enter_locked(pmap_t pm, vm_offset_t va, vm_page_t m, vm_prot_t prot, mtx_assert(&vm_page_queue_mtx, MA_OWNED); PMAP_LOCK_ASSERT(pm, MA_OWNED); - KASSERT((m->oflags & VPO_BUSY) != 0 || VM_OBJECT_LOCKED(m->object), + KASSERT((m->flags & (PG_FICTITIOUS | PG_UNMANAGED)) != 0 || + (m->oflags & VPO_BUSY) != 0 || VM_OBJECT_LOCKED(m->object), ("pmap_enter_locked: page %p is not busy", m)); PMAP_STATS_INC(pmap_nenter); pa = VM_PAGE_TO_PHYS(m); |
