MAINT-5042 FIXED SL Viewer Closes Unexpectedly in specific area with high RenderVolumeLODFactor

- fix for review
- fix in buffer overrun detector

2 files changed, 2 insertions, 3 deletions

diff --git a/indra/llcommon/llmemory.cpp b/indra/llcommon/llmemory.cpp
index ae11988df8..3a8eabac09 100755
--- a/indra/llcommon/llmemory.cpp
+++ b/indra/llcommon/llmemory.cpp
@@ -2176,8 +2176,7 @@ void* ll_aligned_malloc_fallback( size_t size, int align )
 	SYSTEM_INFO sysinfo;
 	GetSystemInfo(&sysinfo);
 	
-	unsigned int for_alloc = sysinfo.dwPageSize;
-	while(for_alloc < size) for_alloc += sysinfo.dwPageSize;
+	unsigned int for_alloc = (size/sysinfo.dwPageSize + !!(size%sysinfo.dwPageSize)) * sysinfo.dwPageSize;
 	
 	void *p = VirtualAlloc(NULL, for_alloc+sysinfo.dwPageSize, MEM_COMMIT|MEM_RESERVE, PAGE_READWRITE);
 	if(NULL == p) {
diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index c4c9cc0566..fd09eb9deb 100755
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -97,7 +97,7 @@ template <typename T> T* LL_NEXT_ALIGNED_ADDRESS_64(T* address)
 //------------------------------------------------------------------------------------------------
 //------------------------------------------------------------------------------------------------
 	// for enable buffer overrun detection predefine LL_DEBUG_BUFFER_OVERRUN in current library
-	// change preprocessro code to: #if 1 && defined(LL_WINDOWS)
+	// change preprocessor code to: #if 1 && defined(LL_WINDOWS)
 
 #if 0 && defined(LL_WINDOWS)
 	void* ll_aligned_malloc_fallback( size_t size, int align );