src/system/kernel/vm/VMKernelArea.cpp

   1 /*
   2  * Copyright 2009-2011, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the NewOS License.
   4  */
   5
   6
   7 #include "VMKernelArea.h"
   8
   9 #include <heap.h>
  10 #include <slab/Slab.h>
  11 #include <vm/vm_priv.h>
  12
  13
  14 VMKernelArea::VMKernelArea(VMAddressSpace* addressSpace, uint32 wiring,
  15         uint32 protection)
  16         :
  17         VMArea(addressSpace, wiring, protection)
  18 {
  19 }
  20
  21
  22 VMKernelArea::~VMKernelArea()
  23 {
  24 }
  25
  26
  27 /*static*/ VMKernelArea*
  28 VMKernelArea::Create(VMAddressSpace* addressSpace, const char* name,
  29         uint32 wiring, uint32 protection, ObjectCache* objectCache,
  30         uint32 allocationFlags)
  31 {
  32         VMKernelArea* area = new(objectCache, allocationFlags) VMKernelArea(
  33                 addressSpace, wiring, protection);
  34         if (area == NULL)
  35                 return NULL;
  36
  37         if (area->Init(name, allocationFlags) != B_OK) {
  38                 object_cache_delete(objectCache, area);
  39                 return NULL;
  40         }
  41
  42         return area;
  43 }