urcu-bp: don't copy old region upon mremap

[urcu.git] / urcu-bp.c

diff --git a/urcu-bp.c b/urcu-bp.c
index 5474f9f5ca19fb7aef5b51ed90fe3bc5c56d4867..2973574436b7977e491df3a6634e5c99d2ea2a85 100644 (file)
--- a/urcu-bp.c
+++ b/urcu-bp.c
@@ -35,12 +35,16 @@
 #include <unistd.h>
 #include <sys/mman.h>
 
-#include "urcu-bp-map.h"
+#include "urcu/map/urcu-bp.h"
 
-#include "urcu-bp-static.h"
+#include "urcu/static/urcu-bp.h"
 /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
 #include "urcu-bp.h"
 
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 /* Sleep delay in us */
 #define RCU_SLEEP_DELAY                1000
 #define ARENA_INIT_ALLOC       16
@@ -250,7 +254,6 @@ static void resize_arena(struct registry_arena *arena, size_t len)
        if (new_arena == arena->p)
                return;
 
-       memcpy(new_arena, arena->p, arena->len);
        bzero(new_arena + arena->len, len - arena->len);
        arena->p = new_arena;
 }
@@ -379,3 +382,4 @@ void rcu_bp_after_fork_child(void)
 }
 
 #include "urcu-call-rcu-impl.h"
+#include "urcu-defer-impl.h"