DRTVWR-510 clean up obsolete downstream-from-mDebugGPU code

2 files changed, 2 insertions, 56 deletions

diff --git a/indra/llcommon/llmemory.cpp b/indra/llcommon/llmemory.cpp
index 7cf4bc0706..ea84e4c1ea 100644
--- a/indra/llcommon/llmemory.cpp
+++ b/indra/llcommon/llmemory.cpp
@@ -55,7 +55,6 @@ static LLTrace::SampleStatHandle<F64Megabytes> sVirtualMem("virtual_mem", "virtu
 U32Kilobytes LLMemory::sAllocatedMemInKB(0);
 U32Kilobytes LLMemory::sAllocatedPageSizeInKB(0);
 U32Kilobytes LLMemory::sMaxHeapSizeInKB(U32_MAX);
-BOOL LLMemory::sEnableMemoryFailurePrevention = FALSE;
 
 void ll_assert_aligned_func(uintptr_t ptr,U32 alignment)
 {
@@ -75,10 +74,9 @@ void ll_assert_aligned_func(uintptr_t ptr,U32 alignment)
 }
 
 //static 
-void LLMemory::initMaxHeapSizeGB(F32Gigabytes max_heap_size, BOOL prevent_heap_failure)
+void LLMemory::initMaxHeapSizeGB(F32Gigabytes max_heap_size)
 {
 	sMaxHeapSizeInKB = U32Kilobytes::convert(max_heap_size);
-	sEnableMemoryFailurePrevention = prevent_heap_failure ;
 }
 
 //static 
@@ -158,56 +156,6 @@ void LLMemory::logMemoryInfo(BOOL update)
 	LL_INFOS() << "Current max usable memory(KB): " << sMaxPhysicalMemInKB << LL_ENDL ;
 }
 
-//return 0: everything is normal;
-//return 1: the memory pool is low, but not in danger;
-//return -1: the memory pool is in danger, is about to crash.
-//static 
-bool LLMemory::isMemoryPoolLow()
-{
-	static const U32Megabytes LOW_MEMORY_POOL_THRESHOLD(64);
-	const static U32Megabytes MAX_SIZE_CHECKED_MEMORY_BLOCK(64);
-	static void* last_reserved_address = NULL ;
-
-	if(!sEnableMemoryFailurePrevention)
-	{
-		return false ; //no memory failure prevention.
-	}
-
-	if(sAvailPhysicalMemInKB < (LOW_MEMORY_POOL_THRESHOLD / 4)) //out of physical memory
-	{
-		return true ;
-	}
-
-	if(sAllocatedPageSizeInKB + (LOW_MEMORY_POOL_THRESHOLD / 4) > sMaxHeapSizeInKB) //out of virtual address space.
-	{
-		return true ;
-	}
-
-	bool is_low = (S32)(sAvailPhysicalMemInKB < LOW_MEMORY_POOL_THRESHOLD 
-						|| sAllocatedPageSizeInKB + LOW_MEMORY_POOL_THRESHOLD > sMaxHeapSizeInKB) ;
-
-	//check the virtual address space fragmentation
-	if(!is_low)
-	{
-		if(!last_reserved_address)
-		{
-			last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-		}
-		else
-		{
-			last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-			if(!last_reserved_address) //failed, try once more
-			{
-				last_reserved_address = LLMemory::tryToAlloc(last_reserved_address, MAX_SIZE_CHECKED_MEMORY_BLOCK.value()) ;
-			}
-		}
-
-		is_low = !last_reserved_address ; //allocation failed
-	}
-
-	return is_low ;
-}
-
 //static 
 U32Kilobytes LLMemory::getAvailableMemKB() 
 {
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index f04ae5f5cb..24f86cc11e 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -344,10 +344,9 @@ public:
 	// Return value is zero if not known.
 	static U64 getCurrentRSS();
 	static void* tryToAlloc(void* address, U32 size);
-	static void initMaxHeapSizeGB(F32Gigabytes max_heap_size, BOOL prevent_heap_failure);
+	static void initMaxHeapSizeGB(F32Gigabytes max_heap_size);
 	static void updateMemoryInfo() ;
 	static void logMemoryInfo(BOOL update = FALSE);
-	static bool isMemoryPoolLow();
 
 	static U32Kilobytes getAvailableMemKB() ;
 	static U32Kilobytes getMaxMemKB() ;
@@ -359,7 +358,6 @@ private:
 	static U32Kilobytes sAllocatedPageSizeInKB ;
 
 	static U32Kilobytes sMaxHeapSizeInKB;
-	static BOOL sEnableMemoryFailurePrevention;
 };
 
 // LLRefCount moved to llrefcount.h