ptos: mm: Add page allocation helpers

Signed-off-by: Chloe M. <chloe@mensia.org>
2026-07-12 22:26:59 +00:00
parent f543f28bf0
commit 048c479cd7
2 changed files with 29 additions and 0 deletions
@@ -39,6 +39,23 @@ static USIZE PageSizeTable[] = {
 static UPTR VallocBump = VALLOC_BASE;
 static MM_VAD_TREE VadTree;

+PT_STATUS
+MmAllocatePages(USIZE Count, MM_RANGE *Result)
+{
+    MM_VAD *Vad;
+
+    if (Count == 0 || Result == NULL) {
+        return STATUS_INVALID_PARAM;
+    }
+
+    Vad = MmVadTreeAllocate(&VadTree, Count);
+    if (Vad == NULL) {
+        return STATUS_NO_MEMORY;
+    }
+
+    *Result = Vad->Range;
+    return STATUS_SUCCESS;
+}

 PT_STATUS MmUnmapRange(MMU_VAS *Vas, const MM_RANGE *Range, MMU_PAGESIZE PageSize)
 {