pagemap: switch to the new format and do some cleanup

[firefly-linux-kernel-4.4.55.git] / tools / vm / page-types.c

diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c
index 8bdf16b8ba6047a2420998bde0adfd81489e117d..603ec916716b34561e974e6195421675daba7802 100644 (file)
--- a/tools/vm/page-types.c
+++ b/tools/vm/page-types.c
@@ -57,23 +57,14 @@
  * pagemap kernel ABI bits
  */
 
-#define PM_ENTRY_BYTES      sizeof(uint64_t)
-#define PM_STATUS_BITS      3
-#define PM_STATUS_OFFSET    (64 - PM_STATUS_BITS)
-#define PM_STATUS_MASK      (((1LL << PM_STATUS_BITS) - 1) << PM_STATUS_OFFSET)
-#define PM_STATUS(nr)       (((nr) << PM_STATUS_OFFSET) & PM_STATUS_MASK)
-#define PM_PSHIFT_BITS      6
-#define PM_PSHIFT_OFFSET    (PM_STATUS_OFFSET - PM_PSHIFT_BITS)
-#define PM_PSHIFT_MASK      (((1LL << PM_PSHIFT_BITS) - 1) << PM_PSHIFT_OFFSET)
-#define __PM_PSHIFT(x)      (((uint64_t) (x) << PM_PSHIFT_OFFSET) & PM_PSHIFT_MASK)
-#define PM_PFRAME_MASK      ((1LL << PM_PSHIFT_OFFSET) - 1)
-#define PM_PFRAME(x)        ((x) & PM_PFRAME_MASK)
-
-#define __PM_SOFT_DIRTY      (1LL)
-#define PM_PRESENT          PM_STATUS(4LL)
-#define PM_SWAP             PM_STATUS(2LL)
-#define PM_SOFT_DIRTY       __PM_PSHIFT(__PM_SOFT_DIRTY)
-
+#define PM_ENTRY_BYTES         8
+#define PM_PFRAME_BITS         55
+#define PM_PFRAME_MASK         ((1LL << PM_PFRAME_BITS) - 1)
+#define PM_PFRAME(x)           ((x) & PM_PFRAME_MASK)
+#define PM_SOFT_DIRTY          (1ULL << 55)
+#define PM_FILE                        (1ULL << 61)
+#define PM_SWAP                        (1ULL << 62)
+#define PM_PRESENT             (1ULL << 63)
 
 /*
  * kernel page flags