diff options
| -rw-r--r-- | sys/arm/arm/pmap.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/arm/arm/pmap.c b/sys/arm/arm/pmap.c index 6b23aa4..9d8f4af 100644 --- a/sys/arm/arm/pmap.c +++ b/sys/arm/arm/pmap.c @@ -4461,6 +4461,21 @@ pmap_clear_reference(vm_page_t m) /* + * Clear the write and modified bits in each of the given page's mappings. + */ +void +pmap_clear_write(vm_page_t m) +{ + + if (m->md.pvh_attrs & PVF_WRITE) + pmap_clearbit(m, PVF_WRITE); + else + KASSERT((m->flags & PG_WRITEABLE) == 0, + ("pmap_clear_write: page %p has PG_WRITEABLE set", m)); +} + + +/* * perform the pmap work for mincore */ int |
