diff --git a/exec.c b/exec.c
index 6285b3d405..1edc737da5 100644
--- a/exec.c
+++ b/exec.c
@@ -231,7 +231,16 @@ static void page_init(void)
 {
     /* NOTE: we can always suppose that qemu_host_page_size >=
        TARGET_PAGE_SIZE */
-    qemu_real_host_page_size = qemu_getpagesize();
+#ifdef _WIN32
+    {
+        SYSTEM_INFO system_info;
+
+        GetSystemInfo(&system_info);
+        qemu_real_host_page_size = system_info.dwPageSize;
+    }
+#else
+    qemu_real_host_page_size = getpagesize();
+#endif
     if (qemu_host_page_size == 0)
         qemu_host_page_size = qemu_real_host_page_size;
     if (qemu_host_page_size < TARGET_PAGE_SIZE)
diff --git a/osdep.c b/osdep.c
index 30a1263f06..d4db1e015b 100644
--- a/osdep.c
+++ b/osdep.c
@@ -66,14 +66,6 @@ void qemu_vfree(void *ptr)
     VirtualFree(ptr, 0, MEM_RELEASE);
 }
 
-long qemu_getpagesize(void)
-{
-    SYSTEM_INFO system_info;
-
-    GetSystemInfo(&system_info);
-    return system_info.dwPageSize;
-}
-
 #else
 
 #if defined(USE_KQEMU)
@@ -198,11 +190,6 @@ void *qemu_memalign(size_t alignment, size_t size)
 #endif
 }
 
-long qemu_getpagesize(void)
-{
-    return sysconf(_SC_PAGESIZE);
-}
-
 /* alloc shared memory pages */
 void *qemu_vmalloc(size_t size)
 {
@@ -213,7 +200,7 @@ void *qemu_vmalloc(size_t size)
 #ifdef _BSD
     return valloc(size);
 #else
-    return memalign(qemu_getpagesize(), size);
+    return memalign(getpagesize(), size);
 #endif
 }
 
diff --git a/osdep.h b/osdep.h
index e4022ba3c3..87f024b127 100644
--- a/osdep.h
+++ b/osdep.h
@@ -72,7 +72,6 @@
 void *qemu_memalign(size_t alignment, size_t size);
 void *qemu_vmalloc(size_t size);
 void qemu_vfree(void *ptr);
-long qemu_getpagesize(void);
 
 int qemu_create_pidfile(const char *filename);