X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5a99bd94a2cedf8b455e78de53b19bebab8c034e..4340c977641036e7aa8ae5dcb69ccb3cac1df3c5:/src/mc/mc_mmu.h

diff --git a/src/mc/mc_mmu.h b/src/mc/mc_mmu.h
index 6740829b8c..25d10ceaa9 100644
--- a/src/mc/mc_mmu.h
+++ b/src/mc/mc_mmu.h
@@ -4,19 +4,19 @@
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
-#ifndef MC_MMU_H
-#define MC_MMU_H
+#ifndef SIMGRID_MC_MMU_H
+#define SIMGRID_MC_MMU_H
 
 #include <stdint.h>
 #include <stdbool.h>
 
+#include <xbt/asserts.h>
+#include <xbt/misc.h>
+
 #include <simgrid_config.h>
 
 SG_BEGIN_DECL()
 
-extern int xbt_pagesize;
-extern int xbt_pagebits;
-
 /** @brief How many memory pages are necessary to store size bytes?
  *
  *  @param size Byte size
@@ -38,7 +38,7 @@ size_t mc_page_count(size_t size)
  *  @return Virtual memory page number of the given address
  */
 static inline __attribute__ ((always_inline))
-size_t mc_page_number(void* base, void* address)
+size_t mc_page_number(const void* base, const void* address)
 {
   xbt_assert(address>=base, "The address is not in the range");
   return ((uintptr_t) address - (uintptr_t) base) >> xbt_pagebits;
@@ -50,7 +50,7 @@ size_t mc_page_number(void* base, void* address)
  *  @return Offset within the memory page
  */
 static inline __attribute__ ((always_inline))
-size_t mc_page_offset(void* address)
+size_t mc_page_offset(const void* address)
 {
   return ((uintptr_t) address) & (xbt_pagesize-1);
 }
@@ -61,13 +61,13 @@ size_t mc_page_offset(void* address)
  *  @param page Index of the page
  */
 static inline __attribute__ ((always_inline))
-void* mc_page_from_number(void* base, size_t page)
+void* mc_page_from_number(const void* base, size_t page)
 {
   return (void*) ((char*)base + (page << xbt_pagebits));
 }
 
 static inline __attribute__ ((always_inline))
-bool mc_same_page(void* a, void* b)
+bool mc_same_page(const void* a, const void* b)
 {
   return ((uintptr_t) a >> xbt_pagebits) == ((uintptr_t) b >> xbt_pagebits);
 }