[4.1] a4b4903 Make a workspace debugging output more usable

[PÃ¥l Hermunn Johansen]

commit a4b490312f96c2d0e136b7693c40440cbf55fb17
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Tue Aug 30 09:01:16 2016 +0000

    Make a workspace debugging output more usable

diff --git a/bin/varnishd/cache/cache_ws.c b/bin/varnishd/cache/cache_ws.c
index e4a0b0c..f9402d3 100644
--- a/bin/varnishd/cache/cache_ws.c
+++ b/bin/varnishd/cache/cache_ws.c
@@ -241,7 +241,7 @@ void
 WS_ReleaseP(struct ws *ws, char *ptr)
 {
 	WS_Assert(ws);
-	DSL(DBG_WORKSPACE, 0, "WS_ReleaseP(%p, %p)", ws, ptr);
+	DSL(DBG_WORKSPACE, 0, "WS_ReleaseP(%p, %p (%zd))", ws, ptr, ptr - ws->f);
 	assert(ws->r != NULL);
 	assert(ptr >= ws->f);
 	assert(ptr <= ws->r);