diff --git a/core/hw/mem/_vmem.cpp b/core/hw/mem/_vmem.cpp
index 9a297330c..3fbfdf6b5 100644
--- a/core/hw/mem/_vmem.cpp
+++ b/core/hw/mem/_vmem.cpp
@@ -478,7 +478,7 @@ bool _vmem_reserve() {
 			{0x00800000, 0x01000000,           MAP_ARAM_START_OFFSET, ARAM_SIZE, false},  // Aica, wraps too
 			{0x20000000, 0x20000000+ARAM_SIZE, MAP_ARAM_START_OFFSET, ARAM_SIZE,  true},
 			{0x01000000, 0x04000000,                               0,         0, false},  // More unused
-			{0x04000000, 0x05000000,           MAP_VRAM_START_OFFSET, VRAM_SIZE,  true},  // Area 1 (vram, 16MB, wrapped on DC)
+			{0x04000000, 0x05000000,           MAP_VRAM_START_OFFSET, VRAM_SIZE,  true},  // Area 1 (vram, 16MB, wrapped on DC as 2x8MB)
 			{0x05000000, 0x06000000,                               0,         0, false},  // 32 bit path (unused)
 			{0x06000000, 0x07000000,           MAP_VRAM_START_OFFSET, VRAM_SIZE,  true},  // VRAM mirror
 			{0x07000000, 0x08000000,                               0,         0, false},  // 32 bit path (unused) mirror
diff --git a/core/linux/posix_vmem.cpp b/core/linux/posix_vmem.cpp
index 8fcf57614..3601eef1b 100644
--- a/core/linux/posix_vmem.cpp
+++ b/core/linux/posix_vmem.cpp
@@ -141,10 +141,11 @@ void vmem_platform_reset_mem(void *ptr, unsigned size_bytes) {
 	mprotect(ptr, size_bytes, PROT_NONE);
 	// Tell the kernel to flush'em all (FIXME: perhaps unmap+mmap 'd be better?)
 	madvise(ptr, size_bytes, MADV_DONTNEED);
-    #ifdef MADV_REMOVE
+	#if defined(MADV_REMOVE)
 	madvise(ptr, size_bytes, MADV_REMOVE);
-    #endif
-    madvise(ptr, size_bytes, MADV_FREE);
+	#elif defined(MADV_FREE)
+	madvise(ptr, size_bytes, MADV_FREE);
+	#endif
 }
 
 // Allocates a bunch of memory (page aligned and page-sized)