334 	}

   334 	}

   335 

   335 

   336 

   336 

   337 TInt DPager::PageFreed(SPageInfo* aPageInfo)

   337 TInt DPager::PageFreed(SPageInfo* aPageInfo)

   338 	{

   338 	{

   339 	__NK_ASSERT_DEBUG(MmuLock::IsHeld());

   340 	__NK_ASSERT_DEBUG(MmuLock::IsHeld());

   340 	__NK_ASSERT_DEBUG(CheckLists());

   341 	__NK_ASSERT_DEBUG(CheckLists());

   341 

   342 

   342 	switch(aPageInfo->PagedState())

   343 	switch(aPageInfo->PagedState())

   343 		{

   344 		{

   380 

   381 

   381 	case SPageInfo::EPagedPinnedMoved:

   382 	case SPageInfo::EPagedPinnedMoved:

   382 		// This page was pinned when it was moved but it has not been returned 

   383 		// This page was pinned when it was moved but it has not been returned 

   383 		// to the free pool yet so make sure it is...

   384 		// to the free pool yet so make sure it is...

   384 		aPageInfo->SetPagedState(SPageInfo::EUnpaged);	// Must be unpaged before returned to free pool.

   385 		aPageInfo->SetPagedState(SPageInfo::EUnpaged);	// Must be unpaged before returned to free pool.

   386 

   387 

   387 	default:

   388 	default:

   388 		__NK_ASSERT_DEBUG(0);

   389 		__NK_ASSERT_DEBUG(0);

   389 		return KErrNotFound;

   390 		return KErrNotFound;

   390 		}

   391 		}

   391 

   392 

   392 	// Update the dirty page count as required...

   393 	// Update the dirty page count as required...

   393 	if (aPageInfo->IsDirty())

   394 	if (aPageInfo->IsDirty())

   394 		SetClean(*aPageInfo);

   395 		SetClean(*aPageInfo);

   395 

   396 

   396 	// add as oldest page...

   405 	// add as oldest page...

   397 #ifdef _USE_OLDEST_LISTS

   406 #ifdef _USE_OLDEST_LISTS

   398 	aPageInfo->SetPagedState(SPageInfo::EPagedOldestClean);

   407 	aPageInfo->SetPagedState(SPageInfo::EPagedOldestClean);

   399 	iOldestCleanList.Add(&aPageInfo->iLink);

   408 	iOldestCleanList.Add(&aPageInfo->iLink);

   400 	++iOldestCleanCount;

   409 	++iOldestCleanCount;

   447 		__NK_ASSERT_DEBUG(0);

   456 		__NK_ASSERT_DEBUG(0);

   448 	case SPageInfo::EUnpaged:

   457 	case SPageInfo::EUnpaged:

   449 #ifdef _DEBUG

   458 #ifdef _DEBUG

   450 		if (!IsPageTableUnpagedRemoveAllowed(aPageInfo))

   459 		if (!IsPageTableUnpagedRemoveAllowed(aPageInfo))

   451 			__NK_ASSERT_DEBUG(0);

   460 			__NK_ASSERT_DEBUG(0);

   452 		break;

   462 		break;

   454 	default:

   463 	default:

   455 		__NK_ASSERT_DEBUG(0);

   464 		__NK_ASSERT_DEBUG(0);

   456 		return;

   465 		return;

   457 		}

   466 		}

   458 

   467 

   785 	__NK_ASSERT_DEBUG(MmuLock::IsHeld());

   794 	__NK_ASSERT_DEBUG(MmuLock::IsHeld());

   786 

   795 

   787 	__NK_ASSERT_DEBUG(iNumberOfFreePages>0);

   796 	__NK_ASSERT_DEBUG(iNumberOfFreePages>0);

   788 	--iNumberOfFreePages;

   797 	--iNumberOfFreePages;

   789 

   798 

   790 	MmuLock::Unlock();

   802 	MmuLock::Unlock();

   791 

   803 

   792 	TPhysAddr pagePhys = aPageInfo.PhysAddr();

   804 	TPhysAddr pagePhys = aPageInfo.PhysAddr();

   793 	TheMmu.FreeRam(&pagePhys, 1, EPageDiscard);

   805 	TheMmu.FreeRam(&pagePhys, 1, EPageDiscard);

   794 

   806 

  1859 						MmuLock::Flash();

  1871 						MmuLock::Flash();

  1860 						}

  1872 						}

  1861 					}

  1873 					}

  1862 				++pi;

  1874 				++pi;

  1863 				if(((TUint)pi&(0xf<<KPageInfoShift))==0)

  1875 				if(((TUint)pi&(0xf<<KPageInfoShift))==0)

  1865 				}

  1882 				}

  1866 			while(pi<piEnd);

  1883 			while(pi<piEnd);

  1867 			}

  1884 			}

  1868 		pi = piNext;

  1885 		pi = piNext;

  1869 		}

  1886 		}