--- libmalloc/libmalloc-283.100.6/src/malloc.c
+++ libmalloc/libmalloc-283.40.1/src/malloc.c
@@ -1008,7 +1008,6 @@
 		malloc_debug_flags = MALLOC_ABORT_ON_CORRUPTION;
 	}
 #endif
-
 	/*
 	 * Given that all environment variables start with "Malloc" we optimize by scanning quickly
 	 * first the environment, therefore avoiding repeated calls to getenv().
@@ -1040,32 +1039,19 @@
 		return;
 	}
 
-	flag = getenv("MallocGuardEdges");
-	if (flag) {
-		if (!strcmp(flag, "all")) {
-			// "MallocGuardEdges=all" adds guard page(s) for every region.
-			// Do not do this on 32-bit platforms because there is insufficient
-			// address space. These pages are always protected.
-#if MALLOC_TARGET_64BIT
-			malloc_debug_flags |= MALLOC_GUARD_ALL | MALLOC_ADD_GUARD_PAGE_FLAGS;
-			malloc_debug_flags &= ~(MALLOC_DONT_PROTECT_PRELUDE|MALLOC_DONT_PROTECT_POSTLUDE);
-			malloc_report(ASL_LEVEL_INFO, "adding guard pages to all regions\n");
-#endif // MALLOC_TARGET_64BIT
-		} else {
-			malloc_debug_flags |= MALLOC_ADD_GUARD_PAGE_FLAGS;
-			malloc_debug_flags &= ~MALLOC_GUARD_ALL;
-			malloc_report(ASL_LEVEL_INFO, "adding guard pages for large allocator blocks\n");
-			if (getenv("MallocDoNotProtectPrelude")) {
-				malloc_debug_flags |= MALLOC_DONT_PROTECT_PRELUDE;
-				malloc_report(ASL_LEVEL_INFO, "... but not protecting prelude guard page\n");
-			}
-			if (getenv("MallocDoNotProtectPostlude")) {
-				malloc_debug_flags |= MALLOC_DONT_PROTECT_POSTLUDE;
-				malloc_report(ASL_LEVEL_INFO, "... but not protecting postlude guard page\n");
-			}
-		}
-	}
-
+	if (getenv("MallocGuardEdges")) {
+		malloc_debug_flags |= MALLOC_ADD_GUARD_PAGES;
+		malloc_report(ASL_LEVEL_INFO, "protecting edges\n");
+		if (getenv("MallocDoNotProtectPrelude")) {
+			malloc_debug_flags |= MALLOC_DONT_PROTECT_PRELUDE;
+			malloc_report(ASL_LEVEL_INFO, "... but not protecting prelude guard page\n");
+		}
+		if (getenv("MallocDoNotProtectPostlude")) {
+			malloc_debug_flags |= MALLOC_DONT_PROTECT_POSTLUDE;
+			malloc_report(ASL_LEVEL_INFO, "... but not protecting postlude guard page\n");
+		}
+	}
+	
 	if (getenv("MallocScribble")) {
 		malloc_debug_flags |= MALLOC_DO_SCRIBBLE;
 		malloc_report(ASL_LEVEL_INFO, "enabling scribbling to detect mods to free blocks\n");
@@ -1160,18 +1146,6 @@
 		} else {
 			magazine_large_expanded_cache_threshold = value;
 			malloc_report(ASL_LEVEL_INFO, "Large expanded cache threshold set to %lly\n", magazine_large_expanded_cache_threshold);
-		}
-	}
-
-	flag = getenv("MallocLargeDisableASLR");
-	if (flag) {
-		uint64_t value = (uint64_t)strtoull(flag, NULL, 0);
-		if (value == 0) {
-			malloc_report(ASL_LEVEL_INFO, "Enabling ASLR slide on large allocations\n");
-			malloc_debug_flags &= ~DISABLE_LARGE_ASLR;
-		} else if (value != 0) {
-			malloc_report(ASL_LEVEL_INFO, "Disabling ASLR slide on large allocations\n");
-			malloc_debug_flags |= DISABLE_LARGE_ASLR;
 		}
 	}
 
@@ -1995,15 +1969,11 @@
 		malloc_zone_pressure_relief(0, 0);
 	}
 
-	if ((event & NOTE_MEMORYSTATUS_MSL_STATUS) != 0 && (event & ~NOTE_MEMORYSTATUS_MSL_STATUS) == 0) {
+	if ( ((event & NOTE_MEMORYSTATUS_MSL_STATUS) != 0 && (event & ~NOTE_MEMORYSTATUS_MSL_STATUS) == 0) ||
+		  (event & (NOTE_MEMORYSTATUS_PROC_LIMIT_WARN | NOTE_MEMORYSTATUS_PROC_LIMIT_CRITICAL | NOTE_MEMORYSTATUS_PRESSURE_CRITICAL)))
+	{
 		malloc_register_stack_logger();
 	}
-
-#if ENABLE_MEMORY_RESOURCE_EXCEPTION_HANDLING
-	if (event & (NOTE_MEMORYSTATUS_PROC_LIMIT_WARN | NOTE_MEMORYSTATUS_PROC_LIMIT_CRITICAL | NOTE_MEMORYSTATUS_PRESSURE_CRITICAL)) {
-		malloc_register_stack_logger();
-	}
-#endif // ENABLE_MEMORY_RESOURCE_EXCEPTION_HANDLING
 	
 	if (msl.handle_memory_event) {
 		// Let MSL see the event.