diff --git a/content/content.c b/content/content.c
index 5e915075e..0f23d25cc 100644
--- a/content/content.c
+++ b/content/content.c
@@ -373,7 +373,7 @@ struct content * content_create(const char *url)
 	c->refresh = 0;
 	c->bitmap = 0;
 	c->fresh = false;
-	c->size = sizeof(struct content);
+	c->size = 0;
 	c->title = 0;
 	c->active = 0;
 	user_sentinel->callback = 0;
@@ -641,7 +641,6 @@ bool content_process_data(struct content *c, const char *data,
 	}
 	memcpy(c->source_data + c->source_size, data, size);
 	c->source_size += size;
-	c->size += size;
 
 	if (handler_map[c->type].process_data) {
 		if (!handler_map[c->type].process_data(c,
@@ -701,8 +700,6 @@ void content_convert(struct content *c, int width, int height)
 	}
 	c->locked = false;
 
-	c->size = talloc_total_size(c);
-
 	assert(c->status == CONTENT_STATUS_READY ||
 			c->status == CONTENT_STATUS_DONE);
 	content_broadcast(c, CONTENT_MSG_READY, msg_data);
@@ -779,14 +776,14 @@ void content_clean(void)
 	next = 0;
 	for (c = content_list; c; c = c->next) {
 		next = c;
-		size += c->size;
+		size += c->size + talloc_total_size(c);
 	}
 	for (c = next; c && (unsigned int) option_memory_cache_size < size;
 			c = prev) {
 		prev = c->prev;
 		if (c->user_list->next)
 			continue;
-		size -= c->size;
+		size -= c->size + talloc_total_size(c);
 		content_destroy(c);
 	}
 }
@@ -836,7 +833,7 @@ void content_reset(struct content *c)
 		handler_map[c->type].destroy(c);
 	c->type = CONTENT_UNKNOWN;
 	c->status = CONTENT_STATUS_TYPE_UNKNOWN;
-	c->size = sizeof(struct content);
+	c->size = 0;
 	talloc_free(c->mime_type);
 	c->mime_type = 0;
 }
diff --git a/content/content.h b/content/content.h
index aca53e448..123733ba9 100644
--- a/content/content.h
+++ b/content/content.h
@@ -180,7 +180,8 @@ struct content {
 	struct cache_data *cache_data;	/**< Cache control data */
 
 	unsigned int size;		/**< Estimated size of all data
-					  associated with this content. */
+					  associated with this content, except
+					  alloced as talloc children of this. */
 	char *title;			/**< Title for browser window. */
 	unsigned int active;		/**< Number of child fetches or
 					  conversions currently in progress. */
diff --git a/render/html.c b/render/html.c
index e53df7326..c00bf0948 100644
--- a/render/html.c
+++ b/render/html.c
@@ -359,8 +359,6 @@ bool html_convert(struct content *c, int width, int height)
 	html_reformat(c, width, height);
 	/*box_dump(c->data.html.layout->children, 0);*/
 
-	c->size = talloc_total_size(c);
-
 	if (c->active == 0) {
 		c->status = CONTENT_STATUS_DONE;
 		content_set_status(c, messages_get("Done"));
diff --git a/riscos/debugwin.c b/riscos/debugwin.c
index f01735893..dfdc3dfd3 100644
--- a/riscos/debugwin.c
+++ b/riscos/debugwin.c
@@ -2,7 +2,7 @@
  * This file is part of NetSurf, http://netsurf-browser.org/
  * Licensed under the GNU General Public License,
  *		  http://www.opensource.org/licenses/gpl-license
- * Copyright 2004 James Bursa <bursa@users.sourceforge.net>
+ * Copyright 2006 James Bursa <bursa@users.sourceforge.net>
  */
 
 /** \file
@@ -16,6 +16,7 @@
 #include "netsurf/riscos/dialog.h"
 #include "netsurf/riscos/wimp_event.h"
 #include "netsurf/utils/log.h"
+#include "netsurf/utils/talloc.h"
 #include "netsurf/utils/utils.h"
 
 /** Update interval / cs. */
@@ -52,7 +53,7 @@ void ro_gui_debugwin_resize(void)
 
 	box.x0 = 0;
 	box.y0 = -count * 28;
-	box.x1 = 1200;
+	box.x1 = 1400;
 	box.y1 = 0;
 	error = xwimp_set_extent(dialog_debug, &box);
 	if (error) {
@@ -118,12 +119,13 @@ void ro_gui_debugwin_redraw(wimp_draw *redraw)
 
 void ro_gui_debugwin_redraw_plot(wimp_draw *redraw)
 {
-	char s[20];
+	char s[40];
 	int x0 = redraw->box.x0 - redraw->xscroll;
 	int y0 = redraw->box.y1 - redraw->yscroll;
 	int i = 1;
 	int y;
 	unsigned int users;
+	unsigned int talloc_size;
 	unsigned int size = 0;
 	struct content *content;
 	struct content_user *user;
@@ -156,10 +158,12 @@ void ro_gui_debugwin_redraw_plot(wimp_draw *redraw)
 		xwimptextop_paint(wimptextop_RJUSTIFY, s, x0 + 960, y);
 		xwimptextop_paint(0, content_status_name[content->status],
 				x0 + 990, y);
-		snprintf(s, sizeof s, "%u", content->size);
-		xwimptextop_paint(wimptextop_RJUSTIFY, s, x0 + 1190, y);
-		size += content->size;
+		talloc_size = talloc_total_size(content);
+		snprintf(s, sizeof s, "%u+%u=%u", content->size, talloc_size,
+				content->size + talloc_size);
+		xwimptextop_paint(wimptextop_RJUSTIFY, s, x0 + 1390, y);
+		size += content->size + talloc_size;
 	}
 	snprintf(s, sizeof s, "%u", size);
-	xwimptextop_paint(wimptextop_RJUSTIFY, s, x0 + 1190, y0 - i * 28 - 20);
+	xwimptextop_paint(wimptextop_RJUSTIFY, s, x0 + 1390, y0 - i * 28 - 20);
 }