xnu-4570.51.1.tar.gz

[apple/xnu.git] / osfmk / mach / vm_statistics.h

diff --git a/osfmk/mach/vm_statistics.h b/osfmk/mach/vm_statistics.h
index fa0560559023e7c83191d7435af39eed6c71c4ec..04fafe640077e5f1a7230ff5dccede0b6926c5d5 100644 (file)
--- a/osfmk/mach/vm_statistics.h
+++ b/osfmk/mach/vm_statistics.h
@@ -275,6 +275,9 @@ typedef struct pmap_statistics      *pmap_statistics_t;
  * VM_FLAGS_PURGABLE
  *     Create a purgable VM object for that new VM region.
  *
+ * VM_FLAGS_4GB_CHUNK
+ *     The new VM region will be chunked up into 4GB sized pieces.
+ *
  * VM_FLAGS_NO_PMAP_CHECK
  *     (for DEBUG kernel config only, ignored for other configs)
  *     Do not check that there is no stale pmap mapping for the new VM region.
@@ -294,6 +297,7 @@ typedef struct pmap_statistics      *pmap_statistics_t;
 #define VM_FLAGS_FIXED         0x0000
 #define VM_FLAGS_ANYWHERE      0x0001
 #define VM_FLAGS_PURGABLE      0x0002
+#define VM_FLAGS_4GB_CHUNK     0x0004
 #define VM_FLAGS_RANDOM_ADDR   0x0008
 #define VM_FLAGS_NO_CACHE      0x0010
 #define VM_FLAGS_RESILIENT_CODESIGN    0x0020
@@ -320,6 +324,7 @@ typedef struct pmap_statistics      *pmap_statistics_t;
 #define VM_FLAGS_USER_ALLOCATE (VM_FLAGS_FIXED |               \
                                 VM_FLAGS_ANYWHERE |            \
                                 VM_FLAGS_PURGABLE |            \
+                                VM_FLAGS_4GB_CHUNK |           \
                                 VM_FLAGS_RANDOM_ADDR |         \
                                 VM_FLAGS_NO_CACHE |            \
                                 VM_FLAGS_OVERWRITE |           \