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-rw-r--r--Documentation/arm64/memory.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/arm64/memory.txt b/Documentation/arm64/memory.txt
index 5f583af0a6e..78a377124ef 100644
--- a/Documentation/arm64/memory.txt
+++ b/Documentation/arm64/memory.txt
@@ -73,3 +73,10 @@ Translation table lookup with 64KB pages:
| | +--------------------------> [41:29] L2 index (only 38:29 used)
| +-------------------------------> [47:42] L1 index (not used)
+-------------------------------------------------> [63] TTBR0/1
+
+When using KVM, the hypervisor maps kernel pages in EL2, at a fixed
+offset from the kernel VA (top 24bits of the kernel VA set to zero):
+
+Start End Size Use
+-----------------------------------------------------------------------
+0000004000000000 0000007fffffffff 256GB kernel objects mapped in HYP