A Total Overhaul on the Lunaix's Virtual Memory Model (#26)

[lunaix-os.git] / lunaix-os / kernel / mm / dmm.c

diff --git a/lunaix-os/kernel/mm/dmm.c b/lunaix-os/kernel/mm/dmm.c
index 3da8501f34aecdb43aa89a1fcd3270d15e9e6b6a..f665e9d023863dbe0c709873edfe52c27a04683c 100644 (file)
--- a/lunaix-os/kernel/mm/dmm.c
+++ b/lunaix-os/kernel/mm/dmm.c
@@ -21,20 +21,22 @@ create_heap(struct proc_mm* pvms, ptr_t addr)
                                     .flags = MAP_ANON | MAP_PRIVATE,
                                     .type = REGION_TYPE_HEAP,
                                     .proct = PROT_READ | PROT_WRITE,
-                                    .mlen = PG_SIZE };
+                                    .mlen = PAGE_SIZE };
     int status = 0;
     struct mm_region* heap;
-    if ((status = mem_map(NULL, &heap, addr, NULL, &map_param))) {
+    if ((status = mmap_user(NULL, &heap, addr, NULL, &map_param))) {
         return status;
     }
 
     heap->region_copied = __heap_copied;
     mm_index((void**)&pvms->heap, heap);
+
+    return status;
 }
 
 __DEFINE_LXSYSCALL1(void*, sbrk, ssize_t, incr)
 {
-    struct proc_mm* pvms = &__current->mm;
+    struct proc_mm* pvms = vmspace(__current);
     struct mm_region* heap = pvms->heap;
 
     assert(heap);
@@ -47,11 +49,11 @@ __DEFINE_LXSYSCALL1(void*, sbrk, ssize_t, incr)
 
 __DEFINE_LXSYSCALL1(int, brk, void*, addr)
 {
-    struct proc_mm* pvms = &__current->mm;
+    struct proc_mm* pvms = vmspace(__current);
     struct mm_region* heap = pvms->heap;
 
     if (!heap) {
-        return DO_STATUS(create_heap(pvms, addr));
+        return DO_STATUS(create_heap(pvms, (ptr_t)addr));
     }
 
     assert(heap);