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| -rw-r--r-- | docs/vfio-user.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/vfio-user.rst b/docs/vfio-user.rst index 9e23fb3..9f05767 100644 --- a/docs/vfio-user.rst +++ b/docs/vfio-user.rst @@ -629,7 +629,8 @@ The request payload for this message is a structure of the following format: * *address* is the base DMA address of the DMA region. * *size* is the size of the DMA region. -The size of request message depends on whether or not the +The address and size of the DMA region being unmapped must match exactly a +previous mapping. The size of request message depends on whether or not the *get dirty page bitmap* bit is set in Flags: * If not set, the size of the total request message is: 16 + 24. |