--- a/kernel/eka/memmodel/epoc/flexible/mmu/mexport.cpp Thu Aug 19 11:14:22 2010 +0300
+++ b/kernel/eka/memmodel/epoc/flexible/mmu/mexport.cpp Tue Aug 31 16:34:26 2010 +0300
@@ -510,6 +510,35 @@
/**
+Free a RAM zone which was previously allocated by one of these methods:
+Epoc::AllocPhysicalRam(), Epoc::ZoneAllocPhysicalRam() or
+TRamDefragRequest::ClaimRamZone().
+
+All of the pages in the RAM zone must be allocated and only via one of the methods
+listed above, otherwise a system panic will occur.
+
+@param aZoneId The ID of the RAM zone to free.
+@return KErrNone If the operation was successful.
+ KErrArgument If a RAM zone with ID aZoneId was not found.
+
+@pre Calling thread must be in a critical section.
+@pre Interrupts must be enabled.
+@pre Kernel must be unlocked.
+@pre No fast mutex can be held.
+@pre Call in a thread context.
+@pre Can be used in a device driver.
+*/
+EXPORT_C TInt Epoc::FreeRamZone(TUint aZoneId)
+ {
+ CHECK_PRECONDITIONS(MASK_THREAD_CRITICAL,"Epoc::FreeRamZone");
+ RamAllocLock::Lock();
+ TInt r = TheMmu.FreeRamZone(aZoneId);
+ RamAllocLock::Unlock();
+ return r;
+ }
+
+
+/**
Allocate a specific block of physically contiguous RAM, specified by physical
base address and size.
If and when the RAM is no longer required it should be freed using