xnu-3789.60.24.tar.gz

[apple/xnu.git] / iokit / IOKit / IOBufferMemoryDescriptor.h

diff --git a/iokit/IOKit/IOBufferMemoryDescriptor.h b/iokit/IOKit/IOBufferMemoryDescriptor.h
index 486ce4e13dfabb7f917a6edd737f6b8ad6f75c4d..6e6f051b931bcffa1939a4f86f860628a5d530e2 100644 (file)
--- a/iokit/IOKit/IOBufferMemoryDescriptor.h
+++ b/iokit/IOKit/IOBufferMemoryDescriptor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2016 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -46,6 +46,7 @@ enum {
                                        | kIOMemoryThreadSafe
                                        | kIOMemoryClearEncrypt
                                        | kIOMemoryMapperNone
+                                       | kIOMemoryUseReserve
 };
 
 #define _IOBUFFERMEMORYDESCRIPTOR_INTASKWITHOPTIONS_           1
@@ -178,7 +179,7 @@ public:
     kIOMapCopybackCache - allocate memory with copyback cache setting. <br>            
     kIOMapWriteCombineCache - allocate memory with writecombined cache setting.
     @param capacity The number of bytes to allocate.
-    @param mask The buffer will be allocated with pages such that physical addresses will only have bits set present in physicalMask. For example, pass 0x00000000FFFFFFFFULL for a buffer to be accessed by hardware that has 32 address bits.
+    @param physicalMask The buffer will be allocated with pages such that physical addresses will only have bits set present in physicalMask. For example, pass 0x00000000FFFFFFFFULL for a buffer to be accessed by hardware that has 32 address bits.
     @result Returns an instance of class IOBufferMemoryDescriptor to be released by the caller, which will free the memory desriptor and associated buffer. */
 
     static IOBufferMemoryDescriptor * inTaskWithPhysicalMask(