diff -r ebc84c812384 -r 46218c8b8afa Symbian3/PDK/Source/GUID-C13DFF33-7C54-5113-9277-CAD96215F075.dita --- a/Symbian3/PDK/Source/GUID-C13DFF33-7C54-5113-9277-CAD96215F075.dita Thu Mar 11 15:24:26 2010 +0000 +++ b/Symbian3/PDK/Source/GUID-C13DFF33-7C54-5113-9277-CAD96215F075.dita Thu Mar 11 18:02:22 2010 +0000 @@ -1,35 +1,35 @@ - - - - - -RAM -ZonesA RAM zone is a physically contiguous section of RAM address space -that has a preference value and a unique ID. -

A base port must define the RAM zones for a phone. The Kernel uses RAM -zones to decide how to allocate RAM pages so that:

- -

The system attempts to allocate memory in a preferred RAM zone. A preferred -RAM zone is a zone that has a lower preference value than another.

-

All methods that perform operations on a specific RAM zone take the unique -ID of the RAM zone as a parameter.

-

RAM zones are specified only once during the boot process by the base port. -The base port must do this in its ASSP/Variant in its implementation of the Asic::Init1() function.

-
-Physical -RAM Defragmentation -RAM Zone -Tutorial + + + + + +RAM +ZonesA RAM zone is a physically contiguous section of RAM address space +that has a preference value and a unique ID. +

A base port must define the RAM zones for a phone. The Kernel uses RAM +zones to decide how to allocate RAM pages so that:

+
    +
  • only the necessary parts +of a device’s RAM ICs are powered and refreshed. This may reduce power consumption.

  • +
  • pre-determined regions +of physically contiguous RAM can be used for a specific function when required. +For example, a buffer required by a camera peripheral.

  • +
+

The system attempts to allocate memory in a preferred RAM zone. A preferred +RAM zone is a zone that has a lower preference value than another.

+

All methods that perform operations on a specific RAM zone take the unique +ID of the RAM zone as a parameter.

+

RAM zones are specified only once during the boot process by the base port. +The base port must do this in its ASSP/Variant in its implementation of the Asic::Init1() function.

+
+Physical +RAM Defragmentation +RAM Zone +Tutorial
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