UMAP_MAPPING_CACHED
umap->flags &= ~UMAP_MAPPING_CACHED;
if (umap->flags & UMAP_MAPPING_CACHED) {
umap->flags &= ~UMAP_MAPPING_CACHED;
KASSERT((umap->flags & UMAP_MAPPING_CACHED) == 0);
if (umap->flags & UMAP_MAPPING_CACHED) {
umap->flags &= ~UMAP_MAPPING_CACHED;
KASSERT((umap->flags & UMAP_MAPPING_CACHED) == 0);
umap->flags &= ~UMAP_MAPPING_CACHED;
umap->flags |= UMAP_MAPPING_CACHED;