PCI 16x50 UART Controller, O2 Enablement (#39)

[lunaix-os.git] / lunaix-os / includes / lunaix / mm / page.h

diff --git a/lunaix-os/includes/lunaix/mm/page.h b/lunaix-os/includes/lunaix/mm/page.h
index 23d5c646dd5e13b6da907e45c8a1b00d90a82ca1..0f9fb0c0aacff04179c5587aaca31ba7f9c3a9c2 100644 (file)
--- a/lunaix-os/includes/lunaix/mm/page.h
+++ b/lunaix-os/includes/lunaix/mm/page.h
@@ -284,6 +284,13 @@ vmap_range(pfn_t start, size_t npages, pte_attr_t prot)
     return vmap_ptes_at(_pte, LFT_SIZE, npages);
 }
 
+static inline void
+vunmap_range(pfn_t start, size_t npages)
+{
+    pte_t* ptep = mkptep_va(VMS_SELF, start);
+    vmm_set_ptes_contig(ptep, null_pte, LFT_SIZE, npages);
+}
+
 
 /**
  * @brief Allocate a page in kernel space.