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[PATCH] prom_free_prom_memory for QEMU

To: linux-mips@linux-mips.org
Subject: [PATCH] prom_free_prom_memory for QEMU
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Mon, 14 Jan 2008 21:22:53 +0900 (JST)
Cc: ralf@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
You can get 60kb more memory by this patch.  Note that this patch
might cause segfault on some intermediate version of qemu 0.9.0 and
0.9.1 (For example Debian qemu-0.9.0+20070816-1).

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
---
diff --git a/arch/mips/qemu/q-mem.c b/arch/mips/qemu/q-mem.c
index dae39b5..84cbee2 100644
--- a/arch/mips/qemu/q-mem.c
+++ b/arch/mips/qemu/q-mem.c
@@ -1,5 +1,9 @@
 #include <linux/init.h>
+#include <asm/bootinfo.h>
+#include <asm/sections.h>
+#include <asm/page.h>
 
 void __init prom_free_prom_memory(void)
 {
+       free_init_pages("prom memory", PAGE_SIZE, __pa_symbol(&_text));
 }

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