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diff --git a/cpu/drc/cmn.c b/cpu/drc/cmn.c
index 6600325..d796bfb 100644
--- a/cpu/drc/cmn.c
+++ b/cpu/drc/cmn.c
@@ -1,28 +1,26 @@
 #include <stdio.h>
-#if defined(__linux__) && defined(ARM)
+#ifdef __linux__
 #include <sys/mman.h>
 #endif
 
 #include "cmn.h"
 
-u32 tcache[DRC_TCACHE_SIZE/4];
+u8 __attribute__((aligned(4096))) tcache[DRC_TCACHE_SIZE];
 
 
 void drc_cmn_init(void)
 {
-#if defined(__linux__) && defined(ARM)
+#ifdef __linux__
 	void *tmp;
 
-	tmp = mmap(tcache, DRC_TCACHE_SIZE, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_SHARED|MAP_ANONYMOUS, -1, 0);
+	tmp = mmap(tcache, DRC_TCACHE_SIZE, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
 	printf("mmap tcache: %p, asked %p\n", tmp, tcache);
 #endif
-
 }
 
-// TODO: add calls in core, possibly to cart.c?
 void drc_cmn_cleanup(void)
 {
-#if defined(__linux__) && defined(ARM)
+#ifdef __linux__
 	int ret;
 	ret = munmap(tcache, DRC_TCACHE_SIZE);
 	printf("munmap tcache: %i\n", ret);