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In pmap_enter_locked(), don't require the vector page to be VPO_BUSY.

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This commit is contained in:
alc 2010-06-01 05:32:59 +00:00
parent 7c67d00bc8
commit 6d887343cf
1 changed files with 4 additions and 3 deletions
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7
sys/arm/arm/pmap.c
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@ -3318,15 +3318,16 @@ pmap_enter_locked(pmap_t pmap, vm_offset_t va, vm_page_t m, vm_prot_t prot,
u_int oflags;
vm_paddr_t pa;
KASSERT((m->oflags & VPO_BUSY) != 0 || (flags & M_NOWAIT) != 0,
("pmap_enter_locked: page %p is not busy", m));
PMAP_ASSERT_LOCKED(pmap);
mtx_assert(&vm_page_queue_mtx, MA_OWNED);
if (va == vector_page) {
pa = systempage.pv_pa;
m = NULL;
} else
} else {
KASSERT((m->oflags & VPO_BUSY) != 0 || (flags & M_NOWAIT) != 0,
("pmap_enter_locked: page %p is not busy", m));
pa = VM_PAGE_TO_PHYS(m);
}
nflags = 0;
if (prot & VM_PROT_WRITE)
nflags |= PVF_WRITE;